Finding the Fourth Proportional to 10,863.72, 16,289.91 and 5,024.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.72 : 16,289.91 = 5,024.43 : x
2. Step 2: Convert to fraction form
   10,863.72/16,289.91 = 5,024.43/x
3. Step 3: Cross multiply
   10,863.72x = 16,289.91 × 5,024.43
4. Step 4: Simplify right side
   10,863.72x = 81,847,512.50
5. Step 5: Solve for x
   x = 81,847,512.50/10,863.72
6. Step 6: Final answer
   x = 7,534.02