Finding the Fourth Proportional to 2,442.09, 3,663.45 and 1,208.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.09 : 3,663.45 = 1,208.55 : x
2. Step 2: Convert to fraction form
   2,442.09/3,663.45 = 1,208.55/x
3. Step 3: Cross multiply
   2,442.09x = 3,663.45 × 1,208.55
4. Step 4: Simplify right side
   2,442.09x = 4,427,462.50
5. Step 5: Solve for x
   x = 4,427,462.50/2,442.09
6. Step 6: Final answer
   x = 1,812.98