Finding the Fourth Proportional to 2,611.59, 3,604.57 and 2,043.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.59 : 3,604.57 = 2,043.29 : x
2. Step 2: Convert to fraction form
   2,611.59/3,604.57 = 2,043.29/x
3. Step 3: Cross multiply
   2,611.59x = 3,604.57 × 2,043.29
4. Step 4: Simplify right side
   2,611.59x = 7,365,165.46
5. Step 5: Solve for x
   x = 7,365,165.46/2,611.59
6. Step 6: Final answer
   x = 2,820.19