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Finding the Fourth Proportional to 231,776.28, 347,820.21 and 82,015.95

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Solution

The fourth proportional to 231,776.28, 347,820.21 and 82,015.95 is: 123,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,776.28 : 347,820.21 = 82,015.95 : x
  2. Step 2: Convert to fraction form
    231,776.28/347,820.21 = 82,015.95/x
  3. Step 3: Cross multiply
    231,776.28x = 347,820.21 × 82,015.95
  4. Step 4: Simplify right side
    231,776.28x = 28,526,804,952.35
  5. Step 5: Solve for x
    x = 28,526,804,952.35/231,776.28
  6. Step 6: Final answer
    x = 123,079.05

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