Finding the Fourth Proportional to 196,408.22, 271,051.17 and 111,533.18

Step by Step Solution

1. Step 1: Write the proportion equation
   196,408.22 : 271,051.17 = 111,533.18 : x
2. Step 2: Convert to fraction form
   196,408.22/271,051.17 = 111,533.18/x
3. Step 3: Cross multiply
   196,408.22x = 271,051.17 × 111,533.18
4. Step 4: Simplify right side
   196,408.22x = 30,231,198,932.82
5. Step 5: Solve for x
   x = 30,231,198,932.82/196,408.22
6. Step 6: Final answer
   x = 153,920.23