Finding the Fourth Proportional to 1,806.53, 2,492.92 and 1,020.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.53 : 2,492.92 = 1,020.69 : x
2. Step 2: Convert to fraction form
   1,806.53/2,492.92 = 1,020.69/x
3. Step 3: Cross multiply
   1,806.53x = 2,492.92 × 1,020.69
4. Step 4: Simplify right side
   1,806.53x = 2,544,498.51
5. Step 5: Solve for x
   x = 2,544,498.51/1,806.53
6. Step 6: Final answer
   x = 1,408.50