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Finding the Fourth Proportional to 92,884.82, 128,220.30 and 62,711.02

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Solution

The fourth proportional to 92,884.82, 128,220.30 and 62,711.02 is: 86,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,884.82 : 128,220.30 = 62,711.02 : x
  2. Step 2: Convert to fraction form
    92,884.82/128,220.30 = 62,711.02/x
  3. Step 3: Cross multiply
    92,884.82x = 128,220.30 × 62,711.02
  4. Step 4: Simplify right side
    92,884.82x = 8,040,825,797.71
  5. Step 5: Solve for x
    x = 8,040,825,797.71/92,884.82
  6. Step 6: Final answer
    x = 86,567.71

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