Finding the Fourth Proportional to 2,442.55, 3,367.54 and 1,556.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.55 : 3,367.54 = 1,556.81 : x
2. Step 2: Convert to fraction form
   2,442.55/3,367.54 = 1,556.81/x
3. Step 3: Cross multiply
   2,442.55x = 3,367.54 × 1,556.81
4. Step 4: Simplify right side
   2,442.55x = 5,242,612.16
5. Step 5: Solve for x
   x = 5,242,612.16/2,442.55
6. Step 6: Final answer
   x = 2,146.37