Finding the Fourth Proportional to 10,447.03, 14,417.15 and 5,731.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.03 : 14,417.15 = 5,731.31 : x
2. Step 2: Convert to fraction form
   10,447.03/14,417.15 = 5,731.31/x
3. Step 3: Cross multiply
   10,447.03x = 14,417.15 × 5,731.31
4. Step 4: Simplify right side
   10,447.03x = 82,629,163.35
5. Step 5: Solve for x
   x = 82,629,163.35/10,447.03
6. Step 6: Final answer
   x = 7,909.34