Finding the Fourth Proportional to 10,104.80, 13,944.29 and 5,628.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.80 : 13,944.29 = 5,628.74 : x
2. Step 2: Convert to fraction form
   10,104.80/13,944.29 = 5,628.74/x
3. Step 3: Cross multiply
   10,104.80x = 13,944.29 × 5,628.74
4. Step 4: Simplify right side
   10,104.80x = 78,488,685.03
5. Step 5: Solve for x
   x = 78,488,685.03/10,104.80
6. Step 6: Final answer
   x = 7,767.47