Finding the Fourth Proportional to 1,788.72, 2,683.88 and 1,759.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.72 : 2,683.88 = 1,759.56 : x
2. Step 2: Convert to fraction form
   1,788.72/2,683.88 = 1,759.56/x
3. Step 3: Cross multiply
   1,788.72x = 2,683.88 × 1,759.56
4. Step 4: Simplify right side
   1,788.72x = 4,722,447.89
5. Step 5: Solve for x
   x = 4,722,447.89/1,788.72
6. Step 6: Final answer
   x = 2,640.13