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Finding the Fourth Proportional to 85,201.72, 127,859.46 and 29,797.72

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Solution

The fourth proportional to 85,201.72, 127,859.46 and 29,797.72 is: 44,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,201.72 : 127,859.46 = 29,797.72 : x
  2. Step 2: Convert to fraction form
    85,201.72/127,859.46 = 29,797.72/x
  3. Step 3: Cross multiply
    85,201.72x = 127,859.46 × 29,797.72
  4. Step 4: Simplify right side
    85,201.72x = 3,809,920,388.43
  5. Step 5: Solve for x
    x = 3,809,920,388.43/85,201.72
  6. Step 6: Final answer
    x = 44,716.47

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