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Finding the Fourth Proportional to 428,357.06, 591,123.90 and 237,368.78

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Solution

The fourth proportional to 428,357.06, 591,123.90 and 237,368.78 is: 327,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,357.06 : 591,123.90 = 237,368.78 : x
  2. Step 2: Convert to fraction form
    428,357.06/591,123.90 = 237,368.78/x
  3. Step 3: Cross multiply
    428,357.06x = 591,123.90 × 237,368.78
  4. Step 4: Simplify right side
    428,357.06x = 140,314,358,971.84
  5. Step 5: Solve for x
    x = 140,314,358,971.84/428,357.06
  6. Step 6: Final answer
    x = 327,564.02

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