Finding the Fourth Proportional to 10,906.96, 16,358.82 and 3,981.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906.96 : 16,358.82 = 3,981.46 : x
2. Step 2: Convert to fraction form
   10,906.96/16,358.82 = 3,981.46/x
3. Step 3: Cross multiply
   10,906.96x = 16,358.82 × 3,981.46
4. Step 4: Simplify right side
   10,906.96x = 65,131,987.48
5. Step 5: Solve for x
   x = 65,131,987.48/10,906.96
6. Step 6: Final answer
   x = 5,971.60