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Finding the Fourth Proportional to 77,790.95, 116,692.56 and 38,326.52

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Solution

The fourth proportional to 77,790.95, 116,692.56 and 38,326.52 is: 57,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,790.95 : 116,692.56 = 38,326.52 : x
  2. Step 2: Convert to fraction form
    77,790.95/116,692.56 = 38,326.52/x
  3. Step 3: Cross multiply
    77,790.95x = 116,692.56 × 38,326.52
  4. Step 4: Simplify right side
    77,790.95x = 4,472,419,734.69
  5. Step 5: Solve for x
    x = 4,472,419,734.69/77,790.95
  6. Step 6: Final answer
    x = 57,492.80

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