Finding the Fourth Proportional to 196,443.30, 271,093.62 and 111,560.97

Step by Step Solution

1. Step 1: Write the proportion equation
   196,443.30 : 271,093.62 = 111,560.97 : x
2. Step 2: Convert to fraction form
   196,443.30/271,093.62 = 111,560.97/x
3. Step 3: Cross multiply
   196,443.30x = 271,093.62 × 111,560.97
4. Step 4: Simplify right side
   196,443.30x = 30,243,467,208.01
5. Step 5: Solve for x
   x = 30,243,467,208.01/196,443.30
6. Step 6: Final answer
   x = 153,955.20