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Finding the Fourth Proportional to 84,978.03, 127,467 and 40,469.85

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Solution

The fourth proportional to 84,978.03, 127,467 and 40,469.85 is: 60,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978.03 : 127,467 = 40,469.85 : x
  2. Step 2: Convert to fraction form
    84,978.03/127,467 = 40,469.85/x
  3. Step 3: Cross multiply
    84,978.03x = 127,467 × 40,469.85
  4. Step 4: Simplify right side
    84,978.03x = 5,158,570,369.95
  5. Step 5: Solve for x
    x = 5,158,570,369.95/84,978.03
  6. Step 6: Final answer
    x = 60,704.75

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