Finding the Fourth Proportional to 2,758.89, 3,806.42 and 1,563.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.89 : 3,806.42 = 1,563.68 : x
2. Step 2: Convert to fraction form
   2,758.89/3,806.42 = 1,563.68/x
3. Step 3: Cross multiply
   2,758.89x = 3,806.42 × 1,563.68
4. Step 4: Simplify right side
   2,758.89x = 5,952,024.52
5. Step 5: Solve for x
   x = 5,952,024.52/2,758.89
6. Step 6: Final answer
   x = 2,157.40