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Finding the Fourth Proportional to 76,658.59, 105,776.31 and 44,381.71

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Solution

The fourth proportional to 76,658.59, 105,776.31 and 44,381.71 is: 61,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,658.59 : 105,776.31 = 44,381.71 : x
  2. Step 2: Convert to fraction form
    76,658.59/105,776.31 = 44,381.71/x
  3. Step 3: Cross multiply
    76,658.59x = 105,776.31 × 44,381.71
  4. Step 4: Simplify right side
    76,658.59x = 4,694,533,515.29
  5. Step 5: Solve for x
    x = 4,694,533,515.29/76,658.59
  6. Step 6: Final answer
    x = 61,239.50

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