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Finding the Fourth Proportional to 98,716.22, 136,228.42 and 55,704.84

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Solution

The fourth proportional to 98,716.22, 136,228.42 and 55,704.84 is: 76,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,716.22 : 136,228.42 = 55,704.84 : x
  2. Step 2: Convert to fraction form
    98,716.22/136,228.42 = 55,704.84/x
  3. Step 3: Cross multiply
    98,716.22x = 136,228.42 × 55,704.84
  4. Step 4: Simplify right side
    98,716.22x = 7,588,582,339.55
  5. Step 5: Solve for x
    x = 7,588,582,339.55/98,716.22
  6. Step 6: Final answer
    x = 76,872.70

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