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Finding the Fourth Proportional to 77,791.45, 116,693.31 and 38,327.05

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Solution

The fourth proportional to 77,791.45, 116,693.31 and 38,327.05 is: 57,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,791.45 : 116,693.31 = 38,327.05 : x
  2. Step 2: Convert to fraction form
    77,791.45/116,693.31 = 38,327.05/x
  3. Step 3: Cross multiply
    77,791.45x = 116,693.31 × 38,327.05
  4. Step 4: Simplify right side
    77,791.45x = 4,472,510,327.04
  5. Step 5: Solve for x
    x = 4,472,510,327.04/77,791.45
  6. Step 6: Final answer
    x = 57,493.60

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