Finding the Fourth Proportional to 8,958.76, 12,359.22 and 5,595.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,958.76 : 12,359.22 = 5,595.72 : x
2. Step 2: Convert to fraction form
   8,958.76/12,359.22 = 5,595.72/x
3. Step 3: Cross multiply
   8,958.76x = 12,359.22 × 5,595.72
4. Step 4: Simplify right side
   8,958.76x = 69,158,734.54
5. Step 5: Solve for x
   x = 69,158,734.54/8,958.76
6. Step 6: Final answer
   x = 7,719.68