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Finding the Fourth Proportional to 457,861.22, 631,848.49 and 256,657.22

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Solution

The fourth proportional to 457,861.22, 631,848.49 and 256,657.22 is: 354,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,861.22 : 631,848.49 = 256,657.22 : x
  2. Step 2: Convert to fraction form
    457,861.22/631,848.49 = 256,657.22/x
  3. Step 3: Cross multiply
    457,861.22x = 631,848.49 × 256,657.22
  4. Step 4: Simplify right side
    457,861.22x = 162,168,475,473.14
  5. Step 5: Solve for x
    x = 162,168,475,473.14/457,861.22
  6. Step 6: Final answer
    x = 354,186.97

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