Finding the Fourth Proportional to 1,824.37, 2,517.89 and 1,078.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.37 : 2,517.89 = 1,078.21 : x
2. Step 2: Convert to fraction form
   1,824.37/2,517.89 = 1,078.21/x
3. Step 3: Cross multiply
   1,824.37x = 2,517.89 × 1,078.21
4. Step 4: Simplify right side
   1,824.37x = 2,714,811.93
5. Step 5: Solve for x
   x = 2,714,811.93/1,824.37
6. Step 6: Final answer
   x = 1,488.08