Finding the Fourth Proportional to 127,726.50, 191,759.31 and 109,126.02

Step by Step Solution

1. Step 1: Write the proportion equation
   127,726.50 : 191,759.31 = 109,126.02 : x
2. Step 2: Convert to fraction form
   127,726.50/191,759.31 = 109,126.02/x
3. Step 3: Cross multiply
   127,726.50x = 191,759.31 × 109,126.02
4. Step 4: Simplify right side
   127,726.50x = 20,925,930,298.25
5. Step 5: Solve for x
   x = 20,925,930,298.25/127,726.50
6. Step 6: Final answer
   x = 163,833.90