Finding the Fourth Proportional to 1,773.94, 2,447.10 and 1,144.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.94 : 2,447.10 = 1,144.30 : x
2. Step 2: Convert to fraction form
   1,773.94/2,447.10 = 1,144.30/x
3. Step 3: Cross multiply
   1,773.94x = 2,447.10 × 1,144.30
4. Step 4: Simplify right side
   1,773.94x = 2,800,216.53
5. Step 5: Solve for x
   x = 2,800,216.53/1,773.94
6. Step 6: Final answer
   x = 1,578.53