Finding the Fourth Proportional to 196,471.98, 271,131.68 and 111,589.04

Step by Step Solution

1. Step 1: Write the proportion equation
   196,471.98 : 271,131.68 = 111,589.04 : x
2. Step 2: Convert to fraction form
   196,471.98/271,131.68 = 111,589.04/x
3. Step 3: Cross multiply
   196,471.98x = 271,131.68 × 111,589.04
4. Step 4: Simplify right side
   196,471.98x = 30,255,324,841.59
5. Step 5: Solve for x
   x = 30,255,324,841.59/196,471.98
6. Step 6: Final answer
   x = 153,993.08