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Finding the Fourth Proportional to 74,185.15, 102,370.66 and 47,324.78

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Solution

The fourth proportional to 74,185.15, 102,370.66 and 47,324.78 is: 65,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,185.15 : 102,370.66 = 47,324.78 : x
  2. Step 2: Convert to fraction form
    74,185.15/102,370.66 = 47,324.78/x
  3. Step 3: Cross multiply
    74,185.15x = 102,370.66 × 47,324.78
  4. Step 4: Simplify right side
    74,185.15x = 4,844,668,962.95
  5. Step 5: Solve for x
    x = 4,844,668,962.95/74,185.15
  6. Step 6: Final answer
    x = 65,305.10

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