Finding the Fourth Proportional to 1,760.57, 2,647.18 and 1,623.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.57 : 2,647.18 = 1,623.42 : x
2. Step 2: Convert to fraction form
   1,760.57/2,647.18 = 1,623.42/x
3. Step 3: Cross multiply
   1,760.57x = 2,647.18 × 1,623.42
4. Step 4: Simplify right side
   1,760.57x = 4,297,480.90
5. Step 5: Solve for x
   x = 4,297,480.90/1,760.57
6. Step 6: Final answer
   x = 2,440.97