Finding the Fourth Proportional to 196,860.29, 271,664.83 and 111,977.15

Step by Step Solution

1. Step 1: Write the proportion equation
   196,860.29 : 271,664.83 = 111,977.15 : x
2. Step 2: Convert to fraction form
   196,860.29/271,664.83 = 111,977.15/x
3. Step 3: Cross multiply
   196,860.29x = 271,664.83 × 111,977.15
4. Step 4: Simplify right side
   196,860.29x = 30,420,253,418.63
5. Step 5: Solve for x
   x = 30,420,253,418.63/196,860.29
6. Step 6: Final answer
   x = 154,527.12