Finding the Fourth Proportional to 3,443.50, 5,165.43 and 1,135

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.50 : 5,165.43 = 1,135 : x
2. Step 2: Convert to fraction form
   3,443.50/5,165.43 = 1,135/x
3. Step 3: Cross multiply
   3,443.50x = 5,165.43 × 1,135
4. Step 4: Simplify right side
   3,443.50x = 5,862,763.05
5. Step 5: Solve for x
   x = 5,862,763.05/3,443.50
6. Step 6: Final answer
   x = 1,702.56