Finding the Fourth Proportional to 196,769.94, 271,541.24 and 111,887

Step by Step Solution

1. Step 1: Write the proportion equation
   196,769.94 : 271,541.24 = 111,887 : x
2. Step 2: Convert to fraction form
   196,769.94/271,541.24 = 111,887/x
3. Step 3: Cross multiply
   196,769.94x = 271,541.24 × 111,887
4. Step 4: Simplify right side
   196,769.94x = 30,381,934,719.88
5. Step 5: Solve for x
   x = 30,381,934,719.88/196,769.94
6. Step 6: Final answer
   x = 154,403.33