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Finding the Fourth Proportional to 117,906.60, 176,859.90 and 105,004.20

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Solution

The fourth proportional to 117,906.60, 176,859.90 and 105,004.20 is: 157,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,906.60 : 176,859.90 = 105,004.20 : x
  2. Step 2: Convert to fraction form
    117,906.60/176,859.90 = 105,004.20/x
  3. Step 3: Cross multiply
    117,906.60x = 176,859.90 × 105,004.20
  4. Step 4: Simplify right side
    117,906.60x = 18,571,032,311.58
  5. Step 5: Solve for x
    x = 18,571,032,311.58/117,906.60
  6. Step 6: Final answer
    x = 157,506.30

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