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Finding the Fourth Proportional to 76,894.38, 115,331.43 and 22,857.92

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Solution

The fourth proportional to 76,894.38, 115,331.43 and 22,857.92 is: 34,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,894.38 : 115,331.43 = 22,857.92 : x
  2. Step 2: Convert to fraction form
    76,894.38/115,331.43 = 22,857.92/x
  3. Step 3: Cross multiply
    76,894.38x = 115,331.43 × 22,857.92
  4. Step 4: Simplify right side
    76,894.38x = 2,636,236,600.43
  5. Step 5: Solve for x
    x = 2,636,236,600.43/76,894.38
  6. Step 6: Final answer
    x = 34,283.87

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