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Finding the Fourth Proportional to 538,237.80, 807,356.70 and 370,276.20

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Solution

The fourth proportional to 538,237.80, 807,356.70 and 370,276.20 is: 555,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,237.80 : 807,356.70 = 370,276.20 : x
  2. Step 2: Convert to fraction form
    538,237.80/807,356.70 = 370,276.20/x
  3. Step 3: Cross multiply
    538,237.80x = 807,356.70 × 370,276.20
  4. Step 4: Simplify right side
    538,237.80x = 298,944,970,920.54
  5. Step 5: Solve for x
    x = 298,944,970,920.54/538,237.80
  6. Step 6: Final answer
    x = 555,414.30

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