Finding the Fourth Proportional to 198,825, 274,378.50 and 109,401

Step by Step Solution

1. Step 1: Write the proportion equation
   198,825 : 274,378.50 = 109,401 : x
2. Step 2: Convert to fraction form
   198,825/274,378.50 = 109,401/x
3. Step 3: Cross multiply
   198,825x = 274,378.50 × 109,401
4. Step 4: Simplify right side
   198,825x = 30,017,282,278.50
5. Step 5: Solve for x
   x = 30,017,282,278.50/198,825
6. Step 6: Final answer
   x = 150,973.38