Finding the Fourth Proportional to 6,410.35, 8,844.78 and 3,892.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410.35 : 8,844.78 = 3,892.39 : x
2. Step 2: Convert to fraction form
   6,410.35/8,844.78 = 3,892.39/x
3. Step 3: Cross multiply
   6,410.35x = 8,844.78 × 3,892.39
4. Step 4: Simplify right side
   6,410.35x = 34,427,333.22
5. Step 5: Solve for x
   x = 34,427,333.22/6,410.35
6. Step 6: Final answer
   x = 5,370.59