Finding the Fourth Proportional to 10,781.48, 16,168.19 and 3,759.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,781.48 : 16,168.19 = 3,759.69 : x
2. Step 2: Convert to fraction form
   10,781.48/16,168.19 = 3,759.69/x
3. Step 3: Cross multiply
   10,781.48x = 16,168.19 × 3,759.69
4. Step 4: Simplify right side
   10,781.48x = 60,787,382.26
5. Step 5: Solve for x
   x = 60,787,382.26/10,781.48
6. Step 6: Final answer
   x = 5,638.13