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Finding the Fourth Proportional to 92,913.72, 128,222.16 and 50,472.96

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Solution

The fourth proportional to 92,913.72, 128,222.16 and 50,472.96 is: 69,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,913.72 : 128,222.16 = 50,472.96 : x
  2. Step 2: Convert to fraction form
    92,913.72/128,222.16 = 50,472.96/x
  3. Step 3: Cross multiply
    92,913.72x = 128,222.16 × 50,472.96
  4. Step 4: Simplify right side
    92,913.72x = 6,471,751,952.79
  5. Step 5: Solve for x
    x = 6,471,751,952.79/92,913.72
  6. Step 6: Final answer
    x = 69,653.35

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