Finding the Fourth Proportional to 114,909.56, 158,573.67 and 64,608.56

Step by Step Solution

1. Step 1: Write the proportion equation
   114,909.56 : 158,573.67 = 64,608.56 : x
2. Step 2: Convert to fraction form
   114,909.56/158,573.67 = 64,608.56/x
3. Step 3: Cross multiply
   114,909.56x = 158,573.67 × 64,608.56
4. Step 4: Simplify right side
   114,909.56x = 10,245,216,472.62
5. Step 5: Solve for x
   x = 10,245,216,472.62/114,909.56
6. Step 6: Final answer
   x = 89,158.96