Finding the Fourth Proportional to 6,361.34, 8,778.82 and 3,707.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,361.34 : 8,778.82 = 3,707.78 : x
2. Step 2: Convert to fraction form
   6,361.34/8,778.82 = 3,707.78/x
3. Step 3: Cross multiply
   6,361.34x = 8,778.82 × 3,707.78
4. Step 4: Simplify right side
   6,361.34x = 32,549,933.22
5. Step 5: Solve for x
   x = 32,549,933.22/6,361.34
6. Step 6: Final answer
   x = 5,116.84