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Finding the Fourth Proportional to 392,754.60, 589,131.90 and 97,266.60

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Solution

The fourth proportional to 392,754.60, 589,131.90 and 97,266.60 is: 145,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,754.60 : 589,131.90 = 97,266.60 : x
  2. Step 2: Convert to fraction form
    392,754.60/589,131.90 = 97,266.60/x
  3. Step 3: Cross multiply
    392,754.60x = 589,131.90 × 97,266.60
  4. Step 4: Simplify right side
    392,754.60x = 57,302,856,864.54
  5. Step 5: Solve for x
    x = 57,302,856,864.54/392,754.60
  6. Step 6: Final answer
    x = 145,899.90

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