Finding the Fourth Proportional to 2,745.69, 3,788.12 and 1,565.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745.69 : 3,788.12 = 1,565.91 : x
2. Step 2: Convert to fraction form
   2,745.69/3,788.12 = 1,565.91/x
3. Step 3: Cross multiply
   2,745.69x = 3,788.12 × 1,565.91
4. Step 4: Simplify right side
   2,745.69x = 5,931,847.16
5. Step 5: Solve for x
   x = 5,931,847.16/2,745.69
6. Step 6: Final answer
   x = 2,160.42