Finding the Fourth Proportional to 2,461.78, 3,398.48 and 1,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.78 : 3,398.48 = 1,566.42 : x
2. Step 2: Convert to fraction form
   2,461.78/3,398.48 = 1,566.42/x
3. Step 3: Cross multiply
   2,461.78x = 3,398.48 × 1,566.42
4. Step 4: Simplify right side
   2,461.78x = 5,323,447.04
5. Step 5: Solve for x
   x = 5,323,447.04/2,461.78
6. Step 6: Final answer
   x = 2,162.44