Finding the Fourth Proportional to 199,622.17, 275,482.76 and 108,981.96

Step by Step Solution

1. Step 1: Write the proportion equation
   199,622.17 : 275,482.76 = 108,981.96 : x
2. Step 2: Convert to fraction form
   199,622.17/275,482.76 = 108,981.96/x
3. Step 3: Cross multiply
   199,622.17x = 275,482.76 × 108,981.96
4. Step 4: Simplify right side
   199,622.17x = 30,022,651,131.01
5. Step 5: Solve for x
   x = 30,022,651,131.01/199,622.17
6. Step 6: Final answer
   x = 150,397.38