Finding the Fourth Proportional to 1,810.40, 2,498.34 and 1,024.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.40 : 2,498.34 = 1,024.43 : x
2. Step 2: Convert to fraction form
   1,810.40/2,498.34 = 1,024.43/x
3. Step 3: Cross multiply
   1,810.40x = 2,498.34 × 1,024.43
4. Step 4: Simplify right side
   1,810.40x = 2,559,374.45
5. Step 5: Solve for x
   x = 2,559,374.45/1,810.40
6. Step 6: Final answer
   x = 1,413.71