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Finding the Fourth Proportional to 145,134.72, 217,715.83 and 56,395.07

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Solution

The fourth proportional to 145,134.72, 217,715.83 and 56,395.07 is: 84,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,134.72 : 217,715.83 = 56,395.07 : x
  2. Step 2: Convert to fraction form
    145,134.72/217,715.83 = 56,395.07/x
  3. Step 3: Cross multiply
    145,134.72x = 217,715.83 × 56,395.07
  4. Step 4: Simplify right side
    145,134.72x = 12,278,099,472.96
  5. Step 5: Solve for x
    x = 12,278,099,472.96/145,134.72
  6. Step 6: Final answer
    x = 84,597.95

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