Finding the Fourth Proportional to 2,669.78, 3,684.78 and 1,593.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.78 : 3,684.78 = 1,593.12 : x
2. Step 2: Convert to fraction form
   2,669.78/3,684.78 = 1,593.12/x
3. Step 3: Cross multiply
   2,669.78x = 3,684.78 × 1,593.12
4. Step 4: Simplify right side
   2,669.78x = 5,870,310.53
5. Step 5: Solve for x
   x = 5,870,310.53/2,669.78
6. Step 6: Final answer
   x = 2,198.80