Finding the Fourth Proportional to 198,922.50, 274,513.05 and 109,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,922.50 : 274,513.05 = 109,498.50 : x
2. Step 2: Convert to fraction form
   198,922.50/274,513.05 = 109,498.50/x
3. Step 3: Cross multiply
   198,922.50x = 274,513.05 × 109,498.50
4. Step 4: Simplify right side
   198,922.50x = 30,058,767,205.43
5. Step 5: Solve for x
   x = 30,058,767,205.43/198,922.50
6. Step 6: Final answer
   x = 151,107.93