Finding the Fourth Proportional to 199,870.55, 275,813.10 and 109,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   199,870.55 : 275,813.10 = 109,229.52 : x
2. Step 2: Convert to fraction form
   199,870.55/275,813.10 = 109,229.52/x
3. Step 3: Cross multiply
   199,870.55x = 275,813.10 × 109,229.52
4. Step 4: Simplify right side
   199,870.55x = 30,126,932,522.71
5. Step 5: Solve for x
   x = 30,126,932,522.71/199,870.55
6. Step 6: Final answer
   x = 150,732.23