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Finding the Fourth Proportional to 127,647.24, 191,478.06 and 38,903.64

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Solution

The fourth proportional to 127,647.24, 191,478.06 and 38,903.64 is: 58,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,647.24 : 191,478.06 = 38,903.64 : x
  2. Step 2: Convert to fraction form
    127,647.24/191,478.06 = 38,903.64/x
  3. Step 3: Cross multiply
    127,647.24x = 191,478.06 × 38,903.64
  4. Step 4: Simplify right side
    127,647.24x = 7,449,193,319.62
  5. Step 5: Solve for x
    x = 7,449,193,319.62/127,647.24
  6. Step 6: Final answer
    x = 58,357.65

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