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Finding the Fourth Proportional to 76,925.88, 106,156.17 and 43,391.88

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Solution

The fourth proportional to 76,925.88, 106,156.17 and 43,391.88 is: 59,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,925.88 : 106,156.17 = 43,391.88 : x
  2. Step 2: Convert to fraction form
    76,925.88/106,156.17 = 43,391.88/x
  3. Step 3: Cross multiply
    76,925.88x = 106,156.17 × 43,391.88
  4. Step 4: Simplify right side
    76,925.88x = 4,606,315,789.90
  5. Step 5: Solve for x
    x = 4,606,315,789.90/76,925.88
  6. Step 6: Final answer
    x = 59,879.92

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