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Finding the Fourth Proportional to 73,285.11, 109,853.81 and 28,894.71

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Solution

The fourth proportional to 73,285.11, 109,853.81 and 28,894.71 is: 43,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.11 : 109,853.81 = 28,894.71 : x
  2. Step 2: Convert to fraction form
    73,285.11/109,853.81 = 28,894.71/x
  3. Step 3: Cross multiply
    73,285.11x = 109,853.81 × 28,894.71
  4. Step 4: Simplify right side
    73,285.11x = 3,174,193,837.87
  5. Step 5: Solve for x
    x = 3,174,193,837.87/73,285.11
  6. Step 6: Final answer
    x = 43,312.94

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