Finding the Fourth Proportional to 196,534.56, 271,218.72 and 111,656.48

Step by Step Solution

1. Step 1: Write the proportion equation
   196,534.56 : 271,218.72 = 111,656.48 : x
2. Step 2: Convert to fraction form
   196,534.56/271,218.72 = 111,656.48/x
3. Step 3: Cross multiply
   196,534.56x = 271,218.72 × 111,656.48
4. Step 4: Simplify right side
   196,534.56x = 30,283,327,585.31
5. Step 5: Solve for x
   x = 30,283,327,585.31/196,534.56
6. Step 6: Final answer
   x = 154,086.53