Finding the Fourth Proportional to 1,745.43, 2,408.42 and 1,116.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,745.43 : 2,408.42 = 1,116.51 : x
2. Step 2: Convert to fraction form
   1,745.43/2,408.42 = 1,116.51/x
3. Step 3: Cross multiply
   1,745.43x = 2,408.42 × 1,116.51
4. Step 4: Simplify right side
   1,745.43x = 2,689,025.01
5. Step 5: Solve for x
   x = 2,689,025.01/1,745.43
6. Step 6: Final answer
   x = 1,540.61