Finding the Fourth Proportional to 2,562.20, 3,534.72 and 1,617.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.20 : 3,534.72 = 1,617.33 : x
2. Step 2: Convert to fraction form
   2,562.20/3,534.72 = 1,617.33/x
3. Step 3: Cross multiply
   2,562.20x = 3,534.72 × 1,617.33
4. Step 4: Simplify right side
   2,562.20x = 5,716,808.70
5. Step 5: Solve for x
   x = 5,716,808.70/2,562.20
6. Step 6: Final answer
   x = 2,231.22