Finding the Fourth Proportional to 8,402.68, 11,593.56 and 5,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,402.68 : 11,593.56 = 5,608.72 : x
2. Step 2: Convert to fraction form
   8,402.68/11,593.56 = 5,608.72/x
3. Step 3: Cross multiply
   8,402.68x = 11,593.56 × 5,608.72
4. Step 4: Simplify right side
   8,402.68x = 65,025,031.84
5. Step 5: Solve for x
   x = 65,025,031.84/8,402.68
6. Step 6: Final answer
   x = 7,738.61