Finding the Fourth Proportional to 196,981, 271,834.50 and 107,557

Step by Step Solution

1. Step 1: Write the proportion equation
   196,981 : 271,834.50 = 107,557 : x
2. Step 2: Convert to fraction form
   196,981/271,834.50 = 107,557/x
3. Step 3: Cross multiply
   196,981x = 271,834.50 × 107,557
4. Step 4: Simplify right side
   196,981x = 29,237,703,316.50
5. Step 5: Solve for x
   x = 29,237,703,316.50/196,981
6. Step 6: Final answer
   x = 148,429.05