Finding the Fourth Proportional to 8,956.15, 12,351.22 and 5,597.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,956.15 : 12,351.22 = 5,597.89 : x
2. Step 2: Convert to fraction form
   8,956.15/12,351.22 = 5,597.89/x
3. Step 3: Cross multiply
   8,956.15x = 12,351.22 × 5,597.89
4. Step 4: Simplify right side
   8,956.15x = 69,140,770.93
5. Step 5: Solve for x
   x = 69,140,770.93/8,956.15
6. Step 6: Final answer
   x = 7,719.92