Finding the Fourth Proportional to 2,641.16, 3,645.18 and 1,593.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.16 : 3,645.18 = 1,593.20 : x
2. Step 2: Convert to fraction form
   2,641.16/3,645.18 = 1,593.20/x
3. Step 3: Cross multiply
   2,641.16x = 3,645.18 × 1,593.20
4. Step 4: Simplify right side
   2,641.16x = 5,807,482.55
5. Step 5: Solve for x
   x = 5,807,482.55/2,641.16
6. Step 6: Final answer
   x = 2,198.84