Finding the Fourth Proportional to 10,447.21, 14,417.37 and 5,731.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.21 : 14,417.37 = 5,731.49 : x
2. Step 2: Convert to fraction form
   10,447.21/14,417.37 = 5,731.49/x
3. Step 3: Cross multiply
   10,447.21x = 14,417.37 × 5,731.49
4. Step 4: Simplify right side
   10,447.21x = 82,633,011.98
5. Step 5: Solve for x
   x = 82,633,011.98/10,447.21
6. Step 6: Final answer
   x = 7,909.58