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Finding the Fourth Proportional to 98,860.91, 136,437.82 and 56,425.82

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Solution

The fourth proportional to 98,860.91, 136,437.82 and 56,425.82 is: 77,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,860.91 : 136,437.82 = 56,425.82 : x
  2. Step 2: Convert to fraction form
    98,860.91/136,437.82 = 56,425.82/x
  3. Step 3: Cross multiply
    98,860.91x = 136,437.82 × 56,425.82
  4. Step 4: Simplify right side
    98,860.91x = 7,698,615,049.26
  5. Step 5: Solve for x
    x = 7,698,615,049.26/98,860.91
  6. Step 6: Final answer
    x = 77,873.20

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