Finding the Fourth Proportional to 10,960.25, 16,445.77 and 5,117.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.25 : 16,445.77 = 5,117.27 : x
2. Step 2: Convert to fraction form
   10,960.25/16,445.77 = 5,117.27/x
3. Step 3: Cross multiply
   10,960.25x = 16,445.77 × 5,117.27
4. Step 4: Simplify right side
   10,960.25x = 84,157,350.43
5. Step 5: Solve for x
   x = 84,157,350.43/10,960.25
6. Step 6: Final answer
   x = 7,678.42