Finding the Fourth Proportional to 6,410.31, 8,847.02 and 3,892.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410.31 : 8,847.02 = 3,892.25 : x
2. Step 2: Convert to fraction form
   6,410.31/8,847.02 = 3,892.25/x
3. Step 3: Cross multiply
   6,410.31x = 8,847.02 × 3,892.25
4. Step 4: Simplify right side
   6,410.31x = 34,434,845.44
5. Step 5: Solve for x
   x = 34,434,845.44/6,410.31
6. Step 6: Final answer
   x = 5,371.79