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Finding the Fourth Proportional to 91,722.00, 126,638.51 and 57,319.27

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Solution

The fourth proportional to 91,722.00, 126,638.51 and 57,319.27 is: 79,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,722.00 : 126,638.51 = 57,319.27 : x
  2. Step 2: Convert to fraction form
    91,722.00/126,638.51 = 57,319.27/x
  3. Step 3: Cross multiply
    91,722.00x = 126,638.51 × 57,319.27
  4. Step 4: Simplify right side
    91,722.00x = 7,258,827,183.70
  5. Step 5: Solve for x
    x = 7,258,827,183.70/91,722.00
  6. Step 6: Final answer
    x = 79,139.44

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