Finding the Fourth Proportional to 196,406.22, 271,048.41 and 111,531.18

Step by Step Solution

1. Step 1: Write the proportion equation
   196,406.22 : 271,048.41 = 111,531.18 : x
2. Step 2: Convert to fraction form
   196,406.22/271,048.41 = 111,531.18/x
3. Step 3: Cross multiply
   196,406.22x = 271,048.41 × 111,531.18
4. Step 4: Simplify right side
   196,406.22x = 30,230,349,004.42
5. Step 5: Solve for x
   x = 30,230,349,004.42/196,406.22
6. Step 6: Final answer
   x = 153,917.47