Finding the Fourth Proportional to 196,742.52, 271,504.71 and 111,864.78

Step by Step Solution

1. Step 1: Write the proportion equation
   196,742.52 : 271,504.71 = 111,864.78 : x
2. Step 2: Convert to fraction form
   196,742.52/271,504.71 = 111,864.78/x
3. Step 3: Cross multiply
   196,742.52x = 271,504.71 × 111,864.78
4. Step 4: Simplify right side
   196,742.52x = 30,371,814,653.11
5. Step 5: Solve for x
   x = 30,371,814,653.11/196,742.52
6. Step 6: Final answer
   x = 154,373.41