Finding the Fourth Proportional to 7,175.94, 10,767.15 and 3,663.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,175.94 : 10,767.15 = 3,663.78 : x
2. Step 2: Convert to fraction form
   7,175.94/10,767.15 = 3,663.78/x
3. Step 3: Cross multiply
   7,175.94x = 10,767.15 × 3,663.78
4. Step 4: Simplify right side
   7,175.94x = 39,448,468.83
5. Step 5: Solve for x
   x = 39,448,468.83/7,175.94
6. Step 6: Final answer
   x = 5,497.32