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Finding the Fourth Proportional to 388,996.56, 583,498.68 and 108,534.48

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Solution

The fourth proportional to 388,996.56, 583,498.68 and 108,534.48 is: 162,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,996.56 : 583,498.68 = 108,534.48 : x
  2. Step 2: Convert to fraction form
    388,996.56/583,498.68 = 108,534.48/x
  3. Step 3: Cross multiply
    388,996.56x = 583,498.68 × 108,534.48
  4. Step 4: Simplify right side
    388,996.56x = 63,329,725,814.49
  5. Step 5: Solve for x
    x = 63,329,725,814.49/388,996.56
  6. Step 6: Final answer
    x = 162,802.79

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