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Finding the Fourth Proportional to 112,774.24, 169,108.39 and 65,402.80

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Solution

The fourth proportional to 112,774.24, 169,108.39 and 65,402.80 is: 98,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,774.24 : 169,108.39 = 65,402.80 : x
  2. Step 2: Convert to fraction form
    112,774.24/169,108.39 = 65,402.80/x
  3. Step 3: Cross multiply
    112,774.24x = 169,108.39 × 65,402.80
  4. Step 4: Simplify right side
    112,774.24x = 11,060,162,209.49
  5. Step 5: Solve for x
    x = 11,060,162,209.49/112,774.24
  6. Step 6: Final answer
    x = 98,073.48

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