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Finding the Fourth Proportional to 177,857.40, 266,786.10 and 171,636.60

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Solution

The fourth proportional to 177,857.40, 266,786.10 and 171,636.60 is: 257,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,857.40 : 266,786.10 = 171,636.60 : x
  2. Step 2: Convert to fraction form
    177,857.40/266,786.10 = 171,636.60/x
  3. Step 3: Cross multiply
    177,857.40x = 266,786.10 × 171,636.60
  4. Step 4: Simplify right side
    177,857.40x = 45,790,259,131.26
  5. Step 5: Solve for x
    x = 45,790,259,131.26/177,857.40
  6. Step 6: Final answer
    x = 257,454.90

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