Finding the Fourth Proportional to 6,290.47, 8,676.32 and 3,901.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,290.47 : 8,676.32 = 3,901.82 : x
2. Step 2: Convert to fraction form
   6,290.47/8,676.32 = 3,901.82/x
3. Step 3: Cross multiply
   6,290.47x = 8,676.32 × 3,901.82
4. Step 4: Simplify right side
   6,290.47x = 33,853,424.82
5. Step 5: Solve for x
   x = 33,853,424.82/6,290.47
6. Step 6: Final answer
   x = 5,381.70