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Finding the Fourth Proportional to 98,655.42, 136,111.16 and 56,183.88

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Solution

The fourth proportional to 98,655.42, 136,111.16 and 56,183.88 is: 77,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655.42 : 136,111.16 = 56,183.88 : x
  2. Step 2: Convert to fraction form
    98,655.42/136,111.16 = 56,183.88/x
  3. Step 3: Cross multiply
    98,655.42x = 136,111.16 × 56,183.88
  4. Step 4: Simplify right side
    98,655.42x = 7,647,253,080.10
  5. Step 5: Solve for x
    x = 7,647,253,080.10/98,655.42
  6. Step 6: Final answer
    x = 77,514.78

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