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Finding the Fourth Proportional to 53,887.80, 80,817.30 and 18,823.80

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Solution

The fourth proportional to 53,887.80, 80,817.30 and 18,823.80 is: 28,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.80 : 80,817.30 = 18,823.80 : x
  2. Step 2: Convert to fraction form
    53,887.80/80,817.30 = 18,823.80/x
  3. Step 3: Cross multiply
    53,887.80x = 80,817.30 × 18,823.80
  4. Step 4: Simplify right side
    53,887.80x = 1,521,288,691.74
  5. Step 5: Solve for x
    x = 1,521,288,691.74/53,887.80
  6. Step 6: Final answer
    x = 28,230.67

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