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Finding the Fourth Proportional to 117,700.79, 162,423.60 and 66,718.20

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Solution

The fourth proportional to 117,700.79, 162,423.60 and 66,718.20 is: 92,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.79 : 162,423.60 = 66,718.20 : x
  2. Step 2: Convert to fraction form
    117,700.79/162,423.60 = 66,718.20/x
  3. Step 3: Cross multiply
    117,700.79x = 162,423.60 × 66,718.20
  4. Step 4: Simplify right side
    117,700.79x = 10,836,610,229.52
  5. Step 5: Solve for x
    x = 10,836,610,229.52/117,700.79
  6. Step 6: Final answer
    x = 92,069.14

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