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Finding the Fourth Proportional to 112,028.40, 168,042.60 and 28,922.40

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Solution

The fourth proportional to 112,028.40, 168,042.60 and 28,922.40 is: 43,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,028.40 : 168,042.60 = 28,922.40 : x
  2. Step 2: Convert to fraction form
    112,028.40/168,042.60 = 28,922.40/x
  3. Step 3: Cross multiply
    112,028.40x = 168,042.60 × 28,922.40
  4. Step 4: Simplify right side
    112,028.40x = 4,860,195,294.24
  5. Step 5: Solve for x
    x = 4,860,195,294.24/112,028.40
  6. Step 6: Final answer
    x = 43,383.60

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