Finding the Fourth Proportional to 196,528.48, 271,216.56 and 111,659.92

Step by Step Solution

1. Step 1: Write the proportion equation
   196,528.48 : 271,216.56 = 111,659.92 : x
2. Step 2: Convert to fraction form
   196,528.48/271,216.56 = 111,659.92/x
3. Step 3: Cross multiply
   196,528.48x = 271,216.56 × 111,659.92
4. Step 4: Simplify right side
   196,528.48x = 30,284,019,392.28
5. Step 5: Solve for x
   x = 30,284,019,392.28/196,528.48
6. Step 6: Final answer
   x = 154,094.81