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Finding the Fourth Proportional to 30,266.04, 45,403.92 and 12,740.88

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Solution

The fourth proportional to 30,266.04, 45,403.92 and 12,740.88 is: 19,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.04 : 45,403.92 = 12,740.88 : x
  2. Step 2: Convert to fraction form
    30,266.04/45,403.92 = 12,740.88/x
  3. Step 3: Cross multiply
    30,266.04x = 45,403.92 × 12,740.88
  4. Step 4: Simplify right side
    30,266.04x = 578,485,896.25
  5. Step 5: Solve for x
    x = 578,485,896.25/30,266.04
  6. Step 6: Final answer
    x = 19,113.37

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