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Finding the Fourth Proportional to 43,459,978.60, 65,198,715.90 and 12,754,498.60

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Solution

The fourth proportional to 43,459,978.60, 65,198,715.90 and 12,754,498.60 is: 19,134,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,978.60 : 65,198,715.90 = 12,754,498.60 : x
  2. Step 2: Convert to fraction form
    43,459,978.60/65,198,715.90 = 12,754,498.60/x
  3. Step 3: Cross multiply
    43,459,978.60x = 65,198,715.90 × 12,754,498.60
  4. Step 4: Simplify right side
    43,459,978.60x = 831,576,930,668,347.75
  5. Step 5: Solve for x
    x = 831,576,930,668,347.75/43,459,978.60
  6. Step 6: Final answer
    x = 19,134,315.24

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