Finding the Fourth Proportional to 10,104.55, 13,942.43 and 5,628.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.55 : 13,942.43 = 5,628.18 : x
2. Step 2: Convert to fraction form
   10,104.55/13,942.43 = 5,628.18/x
3. Step 3: Cross multiply
   10,104.55x = 13,942.43 × 5,628.18
4. Step 4: Simplify right side
   10,104.55x = 78,470,550.93
5. Step 5: Solve for x
   x = 78,470,550.93/10,104.55
6. Step 6: Final answer
   x = 7,765.86