Finding the Fourth Proportional to 1,810.31, 2,498.23 and 982.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.31 : 2,498.23 = 982.31 : x
2. Step 2: Convert to fraction form
   1,810.31/2,498.23 = 982.31/x
3. Step 3: Cross multiply
   1,810.31x = 2,498.23 × 982.31
4. Step 4: Simplify right side
   1,810.31x = 2,454,043.78
5. Step 5: Solve for x
   x = 2,454,043.78/1,810.31
6. Step 6: Final answer
   x = 1,355.59