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Finding the Fourth Proportional to 98,666.59, 136,173.23 and 55,654.91

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Solution

The fourth proportional to 98,666.59, 136,173.23 and 55,654.91 is: 76,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.59 : 136,173.23 = 55,654.91 : x
  2. Step 2: Convert to fraction form
    98,666.59/136,173.23 = 55,654.91/x
  3. Step 3: Cross multiply
    98,666.59x = 136,173.23 × 55,654.91
  4. Step 4: Simplify right side
    98,666.59x = 7,578,708,860.06
  5. Step 5: Solve for x
    x = 7,578,708,860.06/98,666.59
  6. Step 6: Final answer
    x = 76,811.30

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