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Finding the Fourth Proportional to 57,242.40, 85,871.70 and 17,795.40

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Solution

The fourth proportional to 57,242.40, 85,871.70 and 17,795.40 is: 26,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,242.40 : 85,871.70 = 17,795.40 : x
  2. Step 2: Convert to fraction form
    57,242.40/85,871.70 = 17,795.40/x
  3. Step 3: Cross multiply
    57,242.40x = 85,871.70 × 17,795.40
  4. Step 4: Simplify right side
    57,242.40x = 1,528,121,250.18
  5. Step 5: Solve for x
    x = 1,528,121,250.18/57,242.40
  6. Step 6: Final answer
    x = 26,695.62

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