Finding the Fourth Proportional to 6,168.39, 8,509.77 and 3,779.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,168.39 : 8,509.77 = 3,779.30 : x
2. Step 2: Convert to fraction form
   6,168.39/8,509.77 = 3,779.30/x
3. Step 3: Cross multiply
   6,168.39x = 8,509.77 × 3,779.30
4. Step 4: Simplify right side
   6,168.39x = 32,160,931.21
5. Step 5: Solve for x
   x = 32,160,931.21/6,168.39
6. Step 6: Final answer
   x = 5,213.83