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Finding the Fourth Proportional to 284,819.60, 426,883.80 and 126,880.40

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Solution

The fourth proportional to 284,819.60, 426,883.80 and 126,880.40 is: 190,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,819.60 : 426,883.80 = 126,880.40 : x
  2. Step 2: Convert to fraction form
    284,819.60/426,883.80 = 126,880.40/x
  3. Step 3: Cross multiply
    284,819.60x = 426,883.80 × 126,880.40
  4. Step 4: Simplify right side
    284,819.60x = 54,163,187,297.52
  5. Step 5: Solve for x
    x = 54,163,187,297.52/284,819.60
  6. Step 6: Final answer
    x = 190,166.64

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