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Finding the Fourth Proportional to 74,310.78, 102,556.08 and 42,473.62

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Solution

The fourth proportional to 74,310.78, 102,556.08 and 42,473.62 is: 58,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.78 : 102,556.08 = 42,473.62 : x
  2. Step 2: Convert to fraction form
    74,310.78/102,556.08 = 42,473.62/x
  3. Step 3: Cross multiply
    74,310.78x = 102,556.08 × 42,473.62
  4. Step 4: Simplify right side
    74,310.78x = 4,355,927,970.61
  5. Step 5: Solve for x
    x = 4,355,927,970.61/74,310.78
  6. Step 6: Final answer
    x = 58,617.71

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