Finding the Fourth Proportional to 8,593.53, 12,892.22 and 3,328.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,593.53 : 12,892.22 = 3,328.61 : x
2. Step 2: Convert to fraction form
   8,593.53/12,892.22 = 3,328.61/x
3. Step 3: Cross multiply
   8,593.53x = 12,892.22 × 3,328.61
4. Step 4: Simplify right side
   8,593.53x = 42,913,091.31
5. Step 5: Solve for x
   x = 42,913,091.31/8,593.53
6. Step 6: Final answer
   x = 4,993.65