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Finding the Fourth Proportional to 76,616.46, 105,734.70 and 42,625.08

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Solution

The fourth proportional to 76,616.46, 105,734.70 and 42,625.08 is: 58,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616.46 : 105,734.70 = 42,625.08 : x
  2. Step 2: Convert to fraction form
    76,616.46/105,734.70 = 42,625.08/x
  3. Step 3: Cross multiply
    76,616.46x = 105,734.70 × 42,625.08
  4. Step 4: Simplify right side
    76,616.46x = 4,506,950,046.28
  5. Step 5: Solve for x
    x = 4,506,950,046.28/76,616.46
  6. Step 6: Final answer
    x = 58,824.83

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