Finding the Fourth Proportional to 2,499.27, 3,450.31 and 1,615.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.27 : 3,450.31 = 1,615.58 : x
2. Step 2: Convert to fraction form
   2,499.27/3,450.31 = 1,615.58/x
3. Step 3: Cross multiply
   2,499.27x = 3,450.31 × 1,615.58
4. Step 4: Simplify right side
   2,499.27x = 5,574,234.58
5. Step 5: Solve for x
   x = 5,574,234.58/2,499.27
6. Step 6: Final answer
   x = 2,230.35