Finding the Fourth Proportional to 1,806.76, 2,493.12 and 1,020.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.76 : 2,493.12 = 1,020.82 : x
2. Step 2: Convert to fraction form
   1,806.76/2,493.12 = 1,020.82/x
3. Step 3: Cross multiply
   1,806.76x = 2,493.12 × 1,020.82
4. Step 4: Simplify right side
   1,806.76x = 2,545,026.76
5. Step 5: Solve for x
   x = 2,545,026.76/1,806.76
6. Step 6: Final answer
   x = 1,408.61