Finding the Fourth Proportional to 196,767.96, 271,538.46 and 111,885

Step by Step Solution

1. Step 1: Write the proportion equation
   196,767.96 : 271,538.46 = 111,885 : x
2. Step 2: Convert to fraction form
   196,767.96/271,538.46 = 111,885/x
3. Step 3: Cross multiply
   196,767.96x = 271,538.46 × 111,885
4. Step 4: Simplify right side
   196,767.96x = 30,381,080,597.10
5. Step 5: Solve for x
   x = 30,381,080,597.10/196,767.96
6. Step 6: Final answer
   x = 154,400.55