Finding the Fourth Proportional to 8,140.89, 12,210.55 and 2,593.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,140.89 : 12,210.55 = 2,593.25 : x
2. Step 2: Convert to fraction form
   8,140.89/12,210.55 = 2,593.25/x
3. Step 3: Cross multiply
   8,140.89x = 12,210.55 × 2,593.25
4. Step 4: Simplify right side
   8,140.89x = 31,665,008.79
5. Step 5: Solve for x
   x = 31,665,008.79/8,140.89
6. Step 6: Final answer
   x = 3,889.62