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Finding the Fourth Proportional to 18,736.52, 28,109.03 and 5,588.39

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Solution

The fourth proportional to 18,736.52, 28,109.03 and 5,588.39 is: 8,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.52 : 28,109.03 = 5,588.39 : x
  2. Step 2: Convert to fraction form
    18,736.52/28,109.03 = 5,588.39/x
  3. Step 3: Cross multiply
    18,736.52x = 28,109.03 × 5,588.39
  4. Step 4: Simplify right side
    18,736.52x = 157,084,264.49
  5. Step 5: Solve for x
    x = 157,084,264.49/18,736.52
  6. Step 6: Final answer
    x = 8,383.86

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