Finding the Fourth Proportional to 196,762.43, 271,530.90 and 111,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,762.43 : 271,530.90 = 111,879.50 : x
2. Step 2: Convert to fraction form
   196,762.43/271,530.90 = 111,879.50/x
3. Step 3: Cross multiply
   196,762.43x = 271,530.90 × 111,879.50
4. Step 4: Simplify right side
   196,762.43x = 30,378,741,326.55
5. Step 5: Solve for x
   x = 30,378,741,326.55/196,762.43
6. Step 6: Final answer
   x = 154,393.00