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Finding the Fourth Proportional to 54,845.70, 82,282.89 and 19,305.57

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Solution

The fourth proportional to 54,845.70, 82,282.89 and 19,305.57 is: 28,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.70 : 82,282.89 = 19,305.57 : x
  2. Step 2: Convert to fraction form
    54,845.70/82,282.89 = 19,305.57/x
  3. Step 3: Cross multiply
    54,845.70x = 82,282.89 × 19,305.57
  4. Step 4: Simplify right side
    54,845.70x = 1,588,518,092.70
  5. Step 5: Solve for x
    x = 1,588,518,092.70/54,845.70
  6. Step 6: Final answer
    x = 28,963.40

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