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Finding the Fourth Proportional to 85,529.52, 128,279.16 and 23,204.88

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Solution

The fourth proportional to 85,529.52, 128,279.16 and 23,204.88 is: 34,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,529.52 : 128,279.16 = 23,204.88 : x
  2. Step 2: Convert to fraction form
    85,529.52/128,279.16 = 23,204.88/x
  3. Step 3: Cross multiply
    85,529.52x = 128,279.16 × 23,204.88
  4. Step 4: Simplify right side
    85,529.52x = 2,976,702,514.30
  5. Step 5: Solve for x
    x = 2,976,702,514.30/85,529.52
  6. Step 6: Final answer
    x = 34,803.22

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