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Finding the Fourth Proportional to 72,418.20, 108,627.30 and 41,314.20

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Solution

The fourth proportional to 72,418.20, 108,627.30 and 41,314.20 is: 61,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,418.20 : 108,627.30 = 41,314.20 : x
  2. Step 2: Convert to fraction form
    72,418.20/108,627.30 = 41,314.20/x
  3. Step 3: Cross multiply
    72,418.20x = 108,627.30 × 41,314.20
  4. Step 4: Simplify right side
    72,418.20x = 4,487,849,997.66
  5. Step 5: Solve for x
    x = 4,487,849,997.66/72,418.20
  6. Step 6: Final answer
    x = 61,971.30

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