Finding the Fourth Proportional to 10,104.40, 13,943.61 and 5,628.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.40 : 13,943.61 = 5,628.11 : x
2. Step 2: Convert to fraction form
   10,104.40/13,943.61 = 5,628.11/x
3. Step 3: Cross multiply
   10,104.40x = 13,943.61 × 5,628.11
4. Step 4: Simplify right side
   10,104.40x = 78,476,116.63
5. Step 5: Solve for x
   x = 78,476,116.63/10,104.40
6. Step 6: Final answer
   x = 7,766.53