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Finding the Fourth Proportional to 306,724.64, 423,243.24 and 170,726

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Solution

The fourth proportional to 306,724.64, 423,243.24 and 170,726 is: 235,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,724.64 : 423,243.24 = 170,726 : x
  2. Step 2: Convert to fraction form
    306,724.64/423,243.24 = 170,726/x
  3. Step 3: Cross multiply
    306,724.64x = 423,243.24 × 170,726
  4. Step 4: Simplify right side
    306,724.64x = 72,258,625,392.24
  5. Step 5: Solve for x
    x = 72,258,625,392.24/306,724.64
  6. Step 6: Final answer
    x = 235,581.42

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