Finding the Fourth Proportional to 196,658.96, 271,389.48 and 111,776

Step by Step Solution

1. Step 1: Write the proportion equation
   196,658.96 : 271,389.48 = 111,776 : x
2. Step 2: Convert to fraction form
   196,658.96/271,389.48 = 111,776/x
3. Step 3: Cross multiply
   196,658.96x = 271,389.48 × 111,776
4. Step 4: Simplify right side
   196,658.96x = 30,334,830,516.48
5. Step 5: Solve for x
   x = 30,334,830,516.48/196,658.96
6. Step 6: Final answer
   x = 154,250.95