Finding the Fourth Proportional to 10,231.72, 14,118.30 and 5,755.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231.72 : 14,118.30 = 5,755.30 : x
2. Step 2: Convert to fraction form
   10,231.72/14,118.30 = 5,755.30/x
3. Step 3: Cross multiply
   10,231.72x = 14,118.30 × 5,755.30
4. Step 4: Simplify right side
   10,231.72x = 81,255,051.99
5. Step 5: Solve for x
   x = 81,255,051.99/10,231.72
6. Step 6: Final answer
   x = 7,941.49