Finding the Fourth Proportional to 2,548.01, 3,517.89 and 1,605.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.01 : 3,517.89 = 1,605.08 : x
2. Step 2: Convert to fraction form
   2,548.01/3,517.89 = 1,605.08/x
3. Step 3: Cross multiply
   2,548.01x = 3,517.89 × 1,605.08
4. Step 4: Simplify right side
   2,548.01x = 5,646,494.88
5. Step 5: Solve for x
   x = 5,646,494.88/2,548.01
6. Step 6: Final answer
   x = 2,216.04