Finding the Fourth Proportional to 196,771.96, 271,543.98 and 111,889

Step by Step Solution

1. Step 1: Write the proportion equation
   196,771.96 : 271,543.98 = 111,889 : x
2. Step 2: Convert to fraction form
   196,771.96/271,543.98 = 111,889/x
3. Step 3: Cross multiply
   196,771.96x = 271,543.98 × 111,889
4. Step 4: Simplify right side
   196,771.96x = 30,382,784,378.22
5. Step 5: Solve for x
   x = 30,382,784,378.22/196,771.96
6. Step 6: Final answer
   x = 154,406.07