Finding the Fourth Proportional to 198,168.56, 273,471.89 and 117,662.25

Step by Step Solution

1. Step 1: Write the proportion equation
   198,168.56 : 273,471.89 = 117,662.25 : x
2. Step 2: Convert to fraction form
   198,168.56/273,471.89 = 117,662.25/x
3. Step 3: Cross multiply
   198,168.56x = 273,471.89 × 117,662.25
4. Step 4: Simplify right side
   198,168.56x = 32,177,317,300.84
5. Step 5: Solve for x
   x = 32,177,317,300.84/198,168.56
6. Step 6: Final answer
   x = 162,373.48