Finding the Fourth Proportional to 196,684.96, 271,524.06 and 116,137.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,684.96 : 271,524.06 = 116,137.72 : x
2. Step 2: Convert to fraction form
   196,684.96/271,524.06 = 116,137.72/x
3. Step 3: Cross multiply
   196,684.96x = 271,524.06 × 116,137.72
4. Step 4: Simplify right side
   196,684.96x = 31,534,185,253.54
5. Step 5: Solve for x
   x = 31,534,185,253.54/196,684.96
6. Step 6: Final answer
   x = 160,328.40