Finding the Fourth Proportional to 1,813.95, 2,502.83 and 1,057.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813.95 : 2,502.83 = 1,057.61 : x
2. Step 2: Convert to fraction form
   1,813.95/2,502.83 = 1,057.61/x
3. Step 3: Cross multiply
   1,813.95x = 2,502.83 × 1,057.61
4. Step 4: Simplify right side
   1,813.95x = 2,647,018.04
5. Step 5: Solve for x
   x = 2,647,018.04/1,813.95
6. Step 6: Final answer
   x = 1,459.26