Finding the Fourth Proportional to 196,737.88, 271,488.64 and 111,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   196,737.88 : 271,488.64 = 111,853.12 : x
2. Step 2: Convert to fraction form
   196,737.88/271,488.64 = 111,853.12/x
3. Step 3: Cross multiply
   196,737.88x = 271,488.64 × 111,853.12
4. Step 4: Simplify right side
   196,737.88x = 30,366,851,428.56
5. Step 5: Solve for x
   x = 30,366,851,428.56/196,737.88
6. Step 6: Final answer
   x = 154,351.83