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Finding the Fourth Proportional to 18,895.74, 28,347.71 and 5,747.77

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Solution

The fourth proportional to 18,895.74, 28,347.71 and 5,747.77 is: 8,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.74 : 28,347.71 = 5,747.77 : x
  2. Step 2: Convert to fraction form
    18,895.74/28,347.71 = 5,747.77/x
  3. Step 3: Cross multiply
    18,895.74x = 28,347.71 × 5,747.77
  4. Step 4: Simplify right side
    18,895.74x = 162,936,012.29
  5. Step 5: Solve for x
    x = 162,936,012.29/18,895.74
  6. Step 6: Final answer
    x = 8,622.90

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