Finding the Fourth Proportional to 6,410.38, 8,846.54 and 3,721.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410.38 : 8,846.54 = 3,721.39 : x
2. Step 2: Convert to fraction form
   6,410.38/8,846.54 = 3,721.39/x
3. Step 3: Cross multiply
   6,410.38x = 8,846.54 × 3,721.39
4. Step 4: Simplify right side
   6,410.38x = 32,921,425.49
5. Step 5: Solve for x
   x = 32,921,425.49/6,410.38
6. Step 6: Final answer
   x = 5,135.64