Finding the Fourth Proportional to 199,726.29, 275,620.88 and 109,082.30

Step by Step Solution

1. Step 1: Write the proportion equation
   199,726.29 : 275,620.88 = 109,082.30 : x
2. Step 2: Convert to fraction form
   199,726.29/275,620.88 = 109,082.30/x
3. Step 3: Cross multiply
   199,726.29x = 275,620.88 × 109,082.30
4. Step 4: Simplify right side
   199,726.29x = 30,065,357,594.91
5. Step 5: Solve for x
   x = 30,065,357,594.91/199,726.29
6. Step 6: Final answer
   x = 150,532.80