Finding the Fourth Proportional to 8,944.81, 13,411.98 and 3,398.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,944.81 : 13,411.98 = 3,398.57 : x
2. Step 2: Convert to fraction form
   8,944.81/13,411.98 = 3,398.57/x
3. Step 3: Cross multiply
   8,944.81x = 13,411.98 × 3,398.57
4. Step 4: Simplify right side
   8,944.81x = 45,581,498.38
5. Step 5: Solve for x
   x = 45,581,498.38/8,944.81
6. Step 6: Final answer
   x = 5,095.86