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Finding the Fourth Proportional to 112,803.43, 169,205.52 and 28,563.55

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Solution

The fourth proportional to 112,803.43, 169,205.52 and 28,563.55 is: 42,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803.43 : 169,205.52 = 28,563.55 : x
  2. Step 2: Convert to fraction form
    112,803.43/169,205.52 = 28,563.55/x
  3. Step 3: Cross multiply
    112,803.43x = 169,205.52 × 28,563.55
  4. Step 4: Simplify right side
    112,803.43x = 4,833,110,225.04
  5. Step 5: Solve for x
    x = 4,833,110,225.04/112,803.43
  6. Step 6: Final answer
    x = 42,845.42

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