Finding the Fourth Proportional to 10,104.32, 13,943.84 and 5,628.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.32 : 13,943.84 = 5,628.08 : x
2. Step 2: Convert to fraction form
   10,104.32/13,943.84 = 5,628.08/x
3. Step 3: Cross multiply
   10,104.32x = 13,943.84 × 5,628.08
4. Step 4: Simplify right side
   10,104.32x = 78,477,047.03
5. Step 5: Solve for x
   x = 78,477,047.03/10,104.32
6. Step 6: Final answer
   x = 7,766.68