Finding the Fourth Proportional to 196,859.29, 271,663.45 and 111,976.15

Step by Step Solution

1. Step 1: Write the proportion equation
   196,859.29 : 271,663.45 = 111,976.15 : x
2. Step 2: Convert to fraction form
   196,859.29/271,663.45 = 111,976.15/x
3. Step 3: Cross multiply
   196,859.29x = 271,663.45 × 111,976.15
4. Step 4: Simplify right side
   196,859.29x = 30,419,827,226.72
5. Step 5: Solve for x
   x = 30,419,827,226.72/196,859.29
6. Step 6: Final answer
   x = 154,525.74