Finding the Fourth Proportional to 2,617.58, 3,611.10 and 1,569.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.58 : 3,611.10 = 1,569.03 : x
2. Step 2: Convert to fraction form
   2,617.58/3,611.10 = 1,569.03/x
3. Step 3: Cross multiply
   2,617.58x = 3,611.10 × 1,569.03
4. Step 4: Simplify right side
   2,617.58x = 5,665,916.39
5. Step 5: Solve for x
   x = 5,665,916.39/2,617.58
6. Step 6: Final answer
   x = 2,164.57