Finding the Fourth Proportional to 6,278.39, 8,662.72 and 3,759.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,278.39 : 8,662.72 = 3,759.54 : x
2. Step 2: Convert to fraction form
   6,278.39/8,662.72 = 3,759.54/x
3. Step 3: Cross multiply
   6,278.39x = 8,662.72 × 3,759.54
4. Step 4: Simplify right side
   6,278.39x = 32,567,832.95
5. Step 5: Solve for x
   x = 32,567,832.95/6,278.39
6. Step 6: Final answer
   x = 5,187.29