Finding the Fourth Proportional to 10,447.71, 14,418.06 and 5,731.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.71 : 14,418.06 = 5,731.99 : x
2. Step 2: Convert to fraction form
   10,447.71/14,418.06 = 5,731.99/x
3. Step 3: Cross multiply
   10,447.71x = 14,418.06 × 5,731.99
4. Step 4: Simplify right side
   10,447.71x = 82,644,175.74
5. Step 5: Solve for x
   x = 82,644,175.74/10,447.71
6. Step 6: Final answer
   x = 7,910.27