Finding the Fourth Proportional to 196,449.72, 271,024.02 and 111,555.24

Step by Step Solution

1. Step 1: Write the proportion equation
   196,449.72 : 271,024.02 = 111,555.24 : x
2. Step 2: Convert to fraction form
   196,449.72/271,024.02 = 111,555.24/x
3. Step 3: Cross multiply
   196,449.72x = 271,024.02 × 111,555.24
4. Step 4: Simplify right side
   196,449.72x = 30,234,149,596.86
5. Step 5: Solve for x
   x = 30,234,149,596.86/196,449.72
6. Step 6: Final answer
   x = 153,902.74