Finding the Fourth Proportional to 10,447.70, 14,418.12 and 5,732.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.70 : 14,418.12 = 5,732.28 : x
2. Step 2: Convert to fraction form
   10,447.70/14,418.12 = 5,732.28/x
3. Step 3: Cross multiply
   10,447.70x = 14,418.12 × 5,732.28
4. Step 4: Simplify right side
   10,447.70x = 82,648,700.91
5. Step 5: Solve for x
   x = 82,648,700.91/10,447.70
6. Step 6: Final answer
   x = 7,910.71