Finding the Fourth Proportional to 2,610.53, 3,602.27 and 1,615.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.53 : 3,602.27 = 1,615.44 : x
2. Step 2: Convert to fraction form
   2,610.53/3,602.27 = 1,615.44/x
3. Step 3: Cross multiply
   2,610.53x = 3,602.27 × 1,615.44
4. Step 4: Simplify right side
   2,610.53x = 5,819,268.60
5. Step 5: Solve for x
   x = 5,819,268.60/2,610.53
6. Step 6: Final answer
   x = 2,229.15