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Finding the Fourth Proportional to 76,773.27, 115,081.16 and 34,682.78

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Solution

The fourth proportional to 76,773.27, 115,081.16 and 34,682.78 is: 51,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773.27 : 115,081.16 = 34,682.78 : x
  2. Step 2: Convert to fraction form
    76,773.27/115,081.16 = 34,682.78/x
  3. Step 3: Cross multiply
    76,773.27x = 115,081.16 × 34,682.78
  4. Step 4: Simplify right side
    76,773.27x = 3,991,334,668.71
  5. Step 5: Solve for x
    x = 3,991,334,668.71/76,773.27
  6. Step 6: Final answer
    x = 51,988.60

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