Finding the Fourth Proportional to 1,808.53, 2,495.83 and 1,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.53 : 2,495.83 = 1,022.56 : x
2. Step 2: Convert to fraction form
   1,808.53/2,495.83 = 1,022.56/x
3. Step 3: Cross multiply
   1,808.53x = 2,495.83 × 1,022.56
4. Step 4: Simplify right side
   1,808.53x = 2,552,139.61
5. Step 5: Solve for x
   x = 2,552,139.61/1,808.53
6. Step 6: Final answer
   x = 1,411.17