Finding the Fourth Proportional to 196,391.88, 271,022.62 and 111,510.76

Step by Step Solution

1. Step 1: Write the proportion equation
   196,391.88 : 271,022.62 = 111,510.76 : x
2. Step 2: Convert to fraction form
   196,391.88/271,022.62 = 111,510.76/x
3. Step 3: Cross multiply
   196,391.88x = 271,022.62 × 111,510.76
4. Step 4: Simplify right side
   196,391.88x = 30,221,938,333.39
5. Step 5: Solve for x
   x = 30,221,938,333.39/196,391.88
6. Step 6: Final answer
   x = 153,885.89