Finding the Fourth Proportional to 1,757.73, 2,436.78 and 1,664.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.73 : 2,436.78 = 1,664.10 : x
2. Step 2: Convert to fraction form
   1,757.73/2,436.78 = 1,664.10/x
3. Step 3: Cross multiply
   1,757.73x = 2,436.78 × 1,664.10
4. Step 4: Simplify right side
   1,757.73x = 4,055,045.60
5. Step 5: Solve for x
   x = 4,055,045.60/1,757.73
6. Step 6: Final answer
   x = 2,306.98