Finding the Fourth Proportional to 6,279.21, 8,665.74 and 3,626.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.21 : 8,665.74 = 3,626.82 : x
2. Step 2: Convert to fraction form
   6,279.21/8,665.74 = 3,626.82/x
3. Step 3: Cross multiply
   6,279.21x = 8,665.74 × 3,626.82
4. Step 4: Simplify right side
   6,279.21x = 31,429,079.15
5. Step 5: Solve for x
   x = 31,429,079.15/6,279.21
6. Step 6: Final answer
   x = 5,005.26