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Finding the Fourth Proportional to 178,818.72, 268,228.44 and 66,523.56

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Solution

The fourth proportional to 178,818.72, 268,228.44 and 66,523.56 is: 99,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,818.72 : 268,228.44 = 66,523.56 : x
  2. Step 2: Convert to fraction form
    178,818.72/268,228.44 = 66,523.56/x
  3. Step 3: Cross multiply
    178,818.72x = 268,228.44 × 66,523.56
  4. Step 4: Simplify right side
    178,818.72x = 17,843,510,722.05
  5. Step 5: Solve for x
    x = 17,843,510,722.05/178,818.72
  6. Step 6: Final answer
    x = 99,785.47

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