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Finding the Fourth Proportional to 83,746.88, 125,624.64 and 21,417.92

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Solution

The fourth proportional to 83,746.88, 125,624.64 and 21,417.92 is: 32,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.88 : 125,624.64 = 21,417.92 : x
  2. Step 2: Convert to fraction form
    83,746.88/125,624.64 = 21,417.92/x
  3. Step 3: Cross multiply
    83,746.88x = 125,624.64 × 21,417.92
  4. Step 4: Simplify right side
    83,746.88x = 2,690,618,489.55
  5. Step 5: Solve for x
    x = 2,690,618,489.55/83,746.88
  6. Step 6: Final answer
    x = 32,127.98

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