Finding the Fourth Proportional to 6,276.60, 8,665.56 and 4,039.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,276.60 : 8,665.56 = 4,039.32 : x
2. Step 2: Convert to fraction form
   6,276.60/8,665.56 = 4,039.32/x
3. Step 3: Cross multiply
   6,276.60x = 8,665.56 × 4,039.32
4. Step 4: Simplify right side
   6,276.60x = 35,002,969.82
5. Step 5: Solve for x
   x = 35,002,969.82/6,276.60
6. Step 6: Final answer
   x = 5,576.74