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Finding the Fourth Proportional to 48,978.60, 73,467.90 and 12,042.60

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Solution

The fourth proportional to 48,978.60, 73,467.90 and 12,042.60 is: 18,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,978.60 : 73,467.90 = 12,042.60 : x
  2. Step 2: Convert to fraction form
    48,978.60/73,467.90 = 12,042.60/x
  3. Step 3: Cross multiply
    48,978.60x = 73,467.90 × 12,042.60
  4. Step 4: Simplify right side
    48,978.60x = 884,744,532.54
  5. Step 5: Solve for x
    x = 884,744,532.54/48,978.60
  6. Step 6: Final answer
    x = 18,063.90

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