Finding the Fourth Proportional to 2,209.78, 3,049.64 and 1,325.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.78 : 3,049.64 = 1,325.53 : x
2. Step 2: Convert to fraction form
   2,209.78/3,049.64 = 1,325.53/x
3. Step 3: Cross multiply
   2,209.78x = 3,049.64 × 1,325.53
4. Step 4: Simplify right side
   2,209.78x = 4,042,389.31
5. Step 5: Solve for x
   x = 4,042,389.31/2,209.78
6. Step 6: Final answer
   x = 1,829.32