Finding the Fourth Proportional to 196,913.52, 271,737.18 and 112,028.76

Step by Step Solution

1. Step 1: Write the proportion equation
   196,913.52 : 271,737.18 = 112,028.76 : x
2. Step 2: Convert to fraction form
   196,913.52/271,737.18 = 112,028.76/x
3. Step 3: Cross multiply
   196,913.52x = 271,737.18 × 112,028.76
4. Step 4: Simplify right side
   196,913.52x = 30,442,379,321.30
5. Step 5: Solve for x
   x = 30,442,379,321.30/196,913.52
6. Step 6: Final answer
   x = 154,597.71