Finding the Fourth Proportional to 3,778.86, 5,661.81 and 3,048.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778.86 : 5,661.81 = 3,048.78 : x
2. Step 2: Convert to fraction form
   3,778.86/5,661.81 = 3,048.78/x
3. Step 3: Cross multiply
   3,778.86x = 5,661.81 × 3,048.78
4. Step 4: Simplify right side
   3,778.86x = 17,261,613.09
5. Step 5: Solve for x
   x = 17,261,613.09/3,778.86
6. Step 6: Final answer
   x = 4,567.94