Finding the Fourth Proportional to 10,431.38, 14,395.49 and 5,651.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.38 : 14,395.49 = 5,651.42 : x
2. Step 2: Convert to fraction form
   10,431.38/14,395.49 = 5,651.42/x
3. Step 3: Cross multiply
   10,431.38x = 14,395.49 × 5,651.42
4. Step 4: Simplify right side
   10,431.38x = 81,354,859.86
5. Step 5: Solve for x
   x = 81,354,859.86/10,431.38
6. Step 6: Final answer
   x = 7,799.05