Finding the Fourth Proportional to 10,103.94, 13,942.94 and 5,628.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.94 : 13,942.94 = 5,628.15 : x
2. Step 2: Convert to fraction form
   10,103.94/13,942.94 = 5,628.15/x
3. Step 3: Cross multiply
   10,103.94x = 13,942.94 × 5,628.15
4. Step 4: Simplify right side
   10,103.94x = 78,472,929.62
5. Step 5: Solve for x
   x = 78,472,929.62/10,103.94
6. Step 6: Final answer
   x = 7,766.57