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Finding the Fourth Proportional to 82,761.60, 124,132.80 and 23,606.40

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Solution

The fourth proportional to 82,761.60, 124,132.80 and 23,606.40 is: 35,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.60 : 124,132.80 = 23,606.40 : x
  2. Step 2: Convert to fraction form
    82,761.60/124,132.80 = 23,606.40/x
  3. Step 3: Cross multiply
    82,761.60x = 124,132.80 × 23,606.40
  4. Step 4: Simplify right side
    82,761.60x = 2,930,328,529.92
  5. Step 5: Solve for x
    x = 2,930,328,529.92/82,761.60
  6. Step 6: Final answer
    x = 35,406.86

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