Finding the Fourth Proportional to 2,197.50, 3,033.72 and 1,689.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197.50 : 3,033.72 = 1,689.18 : x
2. Step 2: Convert to fraction form
   2,197.50/3,033.72 = 1,689.18/x
3. Step 3: Cross multiply
   2,197.50x = 3,033.72 × 1,689.18
4. Step 4: Simplify right side
   2,197.50x = 5,124,499.15
5. Step 5: Solve for x
   x = 5,124,499.15/2,197.50
6. Step 6: Final answer
   x = 2,331.97