Finding the Fourth Proportional to 10,238.22, 14,128.51 and 5,700.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.22 : 14,128.51 = 5,700.87 : x
2. Step 2: Convert to fraction form
   10,238.22/14,128.51 = 5,700.87/x
3. Step 3: Cross multiply
   10,238.22x = 14,128.51 × 5,700.87
4. Step 4: Simplify right side
   10,238.22x = 80,544,798.80
5. Step 5: Solve for x
   x = 80,544,798.80/10,238.22
6. Step 6: Final answer
   x = 7,867.07