Finding the Fourth Proportional to 114,528.48, 158,049 and 64,228.56

Step by Step Solution

1. Step 1: Write the proportion equation
   114,528.48 : 158,049 = 64,228.56 : x
2. Step 2: Convert to fraction form
   114,528.48/158,049 = 64,228.56/x
3. Step 3: Cross multiply
   114,528.48x = 158,049 × 64,228.56
4. Step 4: Simplify right side
   114,528.48x = 10,151,259,679.44
5. Step 5: Solve for x
   x = 10,151,259,679.44/114,528.48
6. Step 6: Final answer
   x = 88,635.24