Finding the Fourth Proportional to 1,805.80, 2,492.46 and 1,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.80 : 2,492.46 = 1,020.10 : x
2. Step 2: Convert to fraction form
   1,805.80/2,492.46 = 1,020.10/x
3. Step 3: Cross multiply
   1,805.80x = 2,492.46 × 1,020.10
4. Step 4: Simplify right side
   1,805.80x = 2,542,558.45
5. Step 5: Solve for x
   x = 2,542,558.45/1,805.80
6. Step 6: Final answer
   x = 1,408.00