Finding the Fourth Proportional to 6,410.88, 8,843.76 and 3,892.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410.88 : 8,843.76 = 3,892.32 : x
2. Step 2: Convert to fraction form
   6,410.88/8,843.76 = 3,892.32/x
3. Step 3: Cross multiply
   6,410.88x = 8,843.76 × 3,892.32
4. Step 4: Simplify right side
   6,410.88x = 34,422,743.92
5. Step 5: Solve for x
   x = 34,422,743.92/6,410.88
6. Step 6: Final answer
   x = 5,369.43