Finding the Fourth Proportional to 3,491.59, 4,822.73 and 2,611.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491.59 : 4,822.73 = 2,611.39 : x
2. Step 2: Convert to fraction form
   3,491.59/4,822.73 = 2,611.39/x
3. Step 3: Cross multiply
   3,491.59x = 4,822.73 × 2,611.39
4. Step 4: Simplify right side
   3,491.59x = 12,594,028.89
5. Step 5: Solve for x
   x = 12,594,028.89/3,491.59
6. Step 6: Final answer
   x = 3,606.96