Finding the Fourth Proportional to 8,390.62, 11,581.50 and 5,596.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,390.62 : 11,581.50 = 5,596.12 : x
2. Step 2: Convert to fraction form
   8,390.62/11,581.50 = 5,596.12/x
3. Step 3: Cross multiply
   8,390.62x = 11,581.50 × 5,596.12
4. Step 4: Simplify right side
   8,390.62x = 64,811,463.78
5. Step 5: Solve for x
   x = 64,811,463.78/8,390.62
6. Step 6: Final answer
   x = 7,724.28