Finding the Fourth Proportional to 196,454.30, 271,108.82 and 111,571.97

Step by Step Solution

1. Step 1: Write the proportion equation
   196,454.30 : 271,108.82 = 111,571.97 : x
2. Step 2: Convert to fraction form
   196,454.30/271,108.82 = 111,571.97/x
3. Step 3: Cross multiply
   196,454.30x = 271,108.82 × 111,571.97
4. Step 4: Simplify right side
   196,454.30x = 30,248,144,055.16
5. Step 5: Solve for x
   x = 30,248,144,055.16/196,454.30
6. Step 6: Final answer
   x = 153,970.39