Finding the Fourth Proportional to 196,796.64, 271,575.96 and 111,911.76

Step by Step Solution

1. Step 1: Write the proportion equation
   196,796.64 : 271,575.96 = 111,911.76 : x
2. Step 2: Convert to fraction form
   196,796.64/271,575.96 = 111,911.76/x
3. Step 3: Cross multiply
   196,796.64x = 271,575.96 × 111,911.76
4. Step 4: Simplify right side
   196,796.64x = 30,392,543,657.29
5. Step 5: Solve for x
   x = 30,392,543,657.29/196,796.64
6. Step 6: Final answer
   x = 154,436.29