Finding the Fourth Proportional to 10,361.72, 15,539.49 and 3,786.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,361.72 : 15,539.49 = 3,786.38 : x
2. Step 2: Convert to fraction form
   10,361.72/15,539.49 = 3,786.38/x
3. Step 3: Cross multiply
   10,361.72x = 15,539.49 × 3,786.38
4. Step 4: Simplify right side
   10,361.72x = 58,838,414.15
5. Step 5: Solve for x
   x = 58,838,414.15/10,361.72
6. Step 6: Final answer
   x = 5,678.44