Finding the Fourth Proportional to 196,722.42, 271,494.82 and 111,839.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,722.42 : 271,494.82 = 111,839.28 : x
2. Step 2: Convert to fraction form
   196,722.42/271,494.82 = 111,839.28/x
3. Step 3: Cross multiply
   196,722.42x = 271,494.82 × 111,839.28
4. Step 4: Simplify right side
   196,722.42x = 30,363,785,192.53
5. Step 5: Solve for x
   x = 30,363,785,192.53/196,722.42
6. Step 6: Final answer
   x = 154,348.37