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Finding the Fourth Proportional to 538,977.20, 808,660.20 and 223,530.80

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Solution

The fourth proportional to 538,977.20, 808,660.20 and 223,530.80 is: 335,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,977.20 : 808,660.20 = 223,530.80 : x
  2. Step 2: Convert to fraction form
    538,977.20/808,660.20 = 223,530.80/x
  3. Step 3: Cross multiply
    538,977.20x = 808,660.20 × 223,530.80
  4. Step 4: Simplify right side
    538,977.20x = 180,760,461,434.16
  5. Step 5: Solve for x
    x = 180,760,461,434.16/538,977.20
  6. Step 6: Final answer
    x = 335,376.82

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