Finding the Fourth Proportional to 1,810.39, 2,498.31 and 982.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.39 : 2,498.31 = 982.39 : x
2. Step 2: Convert to fraction form
   1,810.39/2,498.31 = 982.39/x
3. Step 3: Cross multiply
   1,810.39x = 2,498.31 × 982.39
4. Step 4: Simplify right side
   1,810.39x = 2,454,314.76
5. Step 5: Solve for x
   x = 2,454,314.76/1,810.39
6. Step 6: Final answer
   x = 1,355.68