Finding the Fourth Proportional to 2,499.52, 3,448.56 and 1,661.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.52 : 3,448.56 = 1,661.44 : x
2. Step 2: Convert to fraction form
   2,499.52/3,448.56 = 1,661.44/x
3. Step 3: Cross multiply
   2,499.52x = 3,448.56 × 1,661.44
4. Step 4: Simplify right side
   2,499.52x = 5,729,575.53
5. Step 5: Solve for x
   x = 5,729,575.53/2,499.52
6. Step 6: Final answer
   x = 2,292.27