Finding the Fourth Proportional to 1,805.98, 2,492.36 and 1,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.98 : 2,492.36 = 1,020.10 : x
2. Step 2: Convert to fraction form
   1,805.98/2,492.36 = 1,020.10/x
3. Step 3: Cross multiply
   1,805.98x = 2,492.36 × 1,020.10
4. Step 4: Simplify right side
   1,805.98x = 2,542,456.44
5. Step 5: Solve for x
   x = 2,542,456.44/1,805.98
6. Step 6: Final answer
   x = 1,407.80