Finding the Fourth Proportional to 1,778.89, 2,454.89 and 982.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778.89 : 2,454.89 = 982.24 : x
2. Step 2: Convert to fraction form
   1,778.89/2,454.89 = 982.24/x
3. Step 3: Cross multiply
   1,778.89x = 2,454.89 × 982.24
4. Step 4: Simplify right side
   1,778.89x = 2,411,291.15
5. Step 5: Solve for x
   x = 2,411,291.15/1,778.89
6. Step 6: Final answer
   x = 1,355.50