Finding the Fourth Proportional to 2,442.69, 3,366.18 and 1,778.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.69 : 3,366.18 = 1,778.22 : x
2. Step 2: Convert to fraction form
   2,442.69/3,366.18 = 1,778.22/x
3. Step 3: Cross multiply
   2,442.69x = 3,366.18 × 1,778.22
4. Step 4: Simplify right side
   2,442.69x = 5,985,808.60
5. Step 5: Solve for x
   x = 5,985,808.60/2,442.69
6. Step 6: Final answer
   x = 2,450.50