Finding the Fourth Proportional to 1,808.73, 2,495.98 and 1,022.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.73 : 2,495.98 = 1,022.79 : x
2. Step 2: Convert to fraction form
   1,808.73/2,495.98 = 1,022.79/x
3. Step 3: Cross multiply
   1,808.73x = 2,495.98 × 1,022.79
4. Step 4: Simplify right side
   1,808.73x = 2,552,863.38
5. Step 5: Solve for x
   x = 2,552,863.38/1,808.73
6. Step 6: Final answer
   x = 1,411.41