Finding the Fourth Proportional to 196,393.86, 271,027.35 and 111,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,393.86 : 271,027.35 = 111,510.72 : x
2. Step 2: Convert to fraction form
   196,393.86/271,027.35 = 111,510.72/x
3. Step 3: Cross multiply
   196,393.86x = 271,027.35 × 111,510.72
4. Step 4: Simplify right side
   196,393.86x = 30,222,454,938.19
5. Step 5: Solve for x
   x = 30,222,454,938.19/196,393.86
6. Step 6: Final answer
   x = 153,886.96