Finding the Fourth Proportional to 10,249.57, 14,144.27 and 5,773.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,249.57 : 14,144.27 = 5,773.78 : x
2. Step 2: Convert to fraction form
   10,249.57/14,144.27 = 5,773.78/x
3. Step 3: Cross multiply
   10,249.57x = 14,144.27 × 5,773.78
4. Step 4: Simplify right side
   10,249.57x = 81,665,839.01
5. Step 5: Solve for x
   x = 81,665,839.01/10,249.57
6. Step 6: Final answer
   x = 7,967.74