Finding the Fourth Proportional to 10,447.45, 14,417.71 and 5,731.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.45 : 14,417.71 = 5,731.74 : x
2. Step 2: Convert to fraction form
   10,447.45/14,417.71 = 5,731.74/x
3. Step 3: Cross multiply
   10,447.45x = 14,417.71 × 5,731.74
4. Step 4: Simplify right side
   10,447.45x = 82,638,550.79
5. Step 5: Solve for x
   x = 82,638,550.79/10,447.45
6. Step 6: Final answer
   x = 7,909.93