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Finding the Fourth Proportional to 116,391.81, 174,452.31 and 66,506.88

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Solution

The fourth proportional to 116,391.81, 174,452.31 and 66,506.88 is: 99,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,391.81 : 174,452.31 = 66,506.88 : x
  2. Step 2: Convert to fraction form
    116,391.81/174,452.31 = 66,506.88/x
  3. Step 3: Cross multiply
    116,391.81x = 174,452.31 × 66,506.88
  4. Step 4: Simplify right side
    116,391.81x = 11,602,278,846.89
  5. Step 5: Solve for x
    x = 11,602,278,846.89/116,391.81
  6. Step 6: Final answer
    x = 99,682.95

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