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Finding the Fourth Proportional to 99,024.56, 136,655.24 and 54,315.44

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Solution

The fourth proportional to 99,024.56, 136,655.24 and 54,315.44 is: 74,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,024.56 : 136,655.24 = 54,315.44 : x
  2. Step 2: Convert to fraction form
    99,024.56/136,655.24 = 54,315.44/x
  3. Step 3: Cross multiply
    99,024.56x = 136,655.24 × 54,315.44
  4. Step 4: Simplify right side
    99,024.56x = 7,422,489,488.91
  5. Step 5: Solve for x
    x = 7,422,489,488.91/99,024.56
  6. Step 6: Final answer
    x = 74,956.05

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