Finding the Fourth Proportional to 10,104.27, 13,943.54 and 5,627.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.27 : 13,943.54 = 5,627.79 : x
2. Step 2: Convert to fraction form
   10,104.27/13,943.54 = 5,627.79/x
3. Step 3: Cross multiply
   10,104.27x = 13,943.54 × 5,627.79
4. Step 4: Simplify right side
   10,104.27x = 78,471,314.98
5. Step 5: Solve for x
   x = 78,471,314.98/10,104.27
6. Step 6: Final answer
   x = 7,766.15