Finding the Fourth Proportional to 11,578.68, 17,369.64 and 3,785.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,578.68 : 17,369.64 = 3,785.94 : x
2. Step 2: Convert to fraction form
   11,578.68/17,369.64 = 3,785.94/x
3. Step 3: Cross multiply
   11,578.68x = 17,369.64 × 3,785.94
4. Step 4: Simplify right side
   11,578.68x = 65,760,414.86
5. Step 5: Solve for x
   x = 65,760,414.86/11,578.68
6. Step 6: Final answer
   x = 5,679.44