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Finding the Fourth Proportional to 374,445.60, 561,668.40 and 372,112.80

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Solution

The fourth proportional to 374,445.60, 561,668.40 and 372,112.80 is: 558,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,445.60 : 561,668.40 = 372,112.80 : x
  2. Step 2: Convert to fraction form
    374,445.60/561,668.40 = 372,112.80/x
  3. Step 3: Cross multiply
    374,445.60x = 561,668.40 × 372,112.80
  4. Step 4: Simplify right side
    374,445.60x = 209,004,000,995.52
  5. Step 5: Solve for x
    x = 209,004,000,995.52/374,445.60
  6. Step 6: Final answer
    x = 558,169.20

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