Finding the Fourth Proportional to 196,700.48, 271,447.56 and 111,835.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,700.48 : 271,447.56 = 111,835.28 : x
2. Step 2: Convert to fraction form
   196,700.48/271,447.56 = 111,835.28/x
3. Step 3: Cross multiply
   196,700.48x = 271,447.56 × 111,835.28
4. Step 4: Simplify right side
   196,700.48x = 30,357,413,877.92
5. Step 5: Solve for x
   x = 30,357,413,877.92/196,700.48
6. Step 6: Final answer
   x = 154,333.20