Finding the Fourth Proportional to 1,773.08, 2,445.76 and 1,143.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.08 : 2,445.76 = 1,143.37 : x
2. Step 2: Convert to fraction form
   1,773.08/2,445.76 = 1,143.37/x
3. Step 3: Cross multiply
   1,773.08x = 2,445.76 × 1,143.37
4. Step 4: Simplify right side
   1,773.08x = 2,796,408.61
5. Step 5: Solve for x
   x = 2,796,408.61/1,773.08
6. Step 6: Final answer
   x = 1,577.15