Finding the Fourth Proportional to 2,499.74, 3,448.48 and 1,615.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.74 : 3,448.48 = 1,615.82 : x
2. Step 2: Convert to fraction form
   2,499.74/3,448.48 = 1,615.82/x
3. Step 3: Cross multiply
   2,499.74x = 3,448.48 × 1,615.82
4. Step 4: Simplify right side
   2,499.74x = 5,572,114.87
5. Step 5: Solve for x
   x = 5,572,114.87/2,499.74
6. Step 6: Final answer
   x = 2,229.08