Finding the Fourth Proportional to 10,906.48, 16,356.48 and 3,981.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906.48 : 16,356.48 = 3,981.52 : x
2. Step 2: Convert to fraction form
   10,906.48/16,356.48 = 3,981.52/x
3. Step 3: Cross multiply
   10,906.48x = 16,356.48 × 3,981.52
4. Step 4: Simplify right side
   10,906.48x = 65,123,652.25
5. Step 5: Solve for x
   x = 65,123,652.25/10,906.48
6. Step 6: Final answer
   x = 5,971.10