Finding the Fourth Proportional to 10,119.44, 13,964.90 and 5,643.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,119.44 : 13,964.90 = 5,643.48 : x
2. Step 2: Convert to fraction form
   10,119.44/13,964.90 = 5,643.48/x
3. Step 3: Cross multiply
   10,119.44x = 13,964.90 × 5,643.48
4. Step 4: Simplify right side
   10,119.44x = 78,810,553.27
5. Step 5: Solve for x
   x = 78,810,553.27/10,119.44
6. Step 6: Final answer
   x = 7,788.04