Finding the Fourth Proportional to 10,238.72, 14,129.21 and 5,701.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.72 : 14,129.21 = 5,701.37 : x
2. Step 2: Convert to fraction form
   10,238.72/14,129.21 = 5,701.37/x
3. Step 3: Cross multiply
   10,238.72x = 14,129.21 × 5,701.37
4. Step 4: Simplify right side
   10,238.72x = 80,555,754.86
5. Step 5: Solve for x
   x = 80,555,754.86/10,238.72
6. Step 6: Final answer
   x = 7,867.76