Finding the Fourth Proportional to 1,810.78, 2,498.92 and 1,024.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.78 : 2,498.92 = 1,024.88 : x
2. Step 2: Convert to fraction form
   1,810.78/2,498.92 = 1,024.88/x
3. Step 3: Cross multiply
   1,810.78x = 2,498.92 × 1,024.88
4. Step 4: Simplify right side
   1,810.78x = 2,561,078.07
5. Step 5: Solve for x
   x = 2,561,078.07/1,810.78
6. Step 6: Final answer
   x = 1,414.35