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Finding the Fourth Proportional to 384,631.80, 577,010.34 and 118,392.36

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Solution

The fourth proportional to 384,631.80, 577,010.34 and 118,392.36 is: 177,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,631.80 : 577,010.34 = 118,392.36 : x
  2. Step 2: Convert to fraction form
    384,631.80/577,010.34 = 118,392.36/x
  3. Step 3: Cross multiply
    384,631.80x = 577,010.34 × 118,392.36
  4. Step 4: Simplify right side
    384,631.80x = 68,313,615,897.00
  5. Step 5: Solve for x
    x = 68,313,615,897.00/384,631.80
  6. Step 6: Final answer
    x = 177,607.82

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