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Finding the Fourth Proportional to 117,862.44, 176,986.62 and 77,401.32

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Solution

The fourth proportional to 117,862.44, 176,986.62 and 77,401.32 is: 116,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,862.44 : 176,986.62 = 77,401.32 : x
  2. Step 2: Convert to fraction form
    117,862.44/176,986.62 = 77,401.32/x
  3. Step 3: Cross multiply
    117,862.44x = 176,986.62 × 77,401.32
  4. Step 4: Simplify right side
    117,862.44x = 13,698,998,010.34
  5. Step 5: Solve for x
    x = 13,698,998,010.34/117,862.44
  6. Step 6: Final answer
    x = 116,228.70

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