Finding the Fourth Proportional to 10,231.88, 14,120.06 and 5,755.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231.88 : 14,120.06 = 5,755.59 : x
2. Step 2: Convert to fraction form
   10,231.88/14,120.06 = 5,755.59/x
3. Step 3: Cross multiply
   10,231.88x = 14,120.06 × 5,755.59
4. Step 4: Simplify right side
   10,231.88x = 81,269,247.36
5. Step 5: Solve for x
   x = 81,269,247.36/10,231.88
6. Step 6: Final answer
   x = 7,942.75