Finding the Fourth Proportional to 2,449.31, 3,379.16 and 1,610.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.31 : 3,379.16 = 1,610.47 : x
2. Step 2: Convert to fraction form
   2,449.31/3,379.16 = 1,610.47/x
3. Step 3: Cross multiply
   2,449.31x = 3,379.16 × 1,610.47
4. Step 4: Simplify right side
   2,449.31x = 5,442,031.38
5. Step 5: Solve for x
   x = 5,442,031.38/2,449.31
6. Step 6: Final answer
   x = 2,221.86