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Finding the Fourth Proportional to 84,794.56, 127,194.57 and 42,651.65

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Solution

The fourth proportional to 84,794.56, 127,194.57 and 42,651.65 is: 63,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,794.56 : 127,194.57 = 42,651.65 : x
  2. Step 2: Convert to fraction form
    84,794.56/127,194.57 = 42,651.65/x
  3. Step 3: Cross multiply
    84,794.56x = 127,194.57 × 42,651.65
  4. Step 4: Simplify right side
    84,794.56x = 5,425,058,599.53
  5. Step 5: Solve for x
    x = 5,425,058,599.53/84,794.56
  6. Step 6: Final answer
    x = 63,978.85

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