Finding the Fourth Proportional to 1,757.37, 2,411.78 and 1,591.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.37 : 2,411.78 = 1,591.22 : x
2. Step 2: Convert to fraction form
   1,757.37/2,411.78 = 1,591.22/x
3. Step 3: Cross multiply
   1,757.37x = 2,411.78 × 1,591.22
4. Step 4: Simplify right side
   1,757.37x = 3,837,672.57
5. Step 5: Solve for x
   x = 3,837,672.57/1,757.37
6. Step 6: Final answer
   x = 2,183.76