Finding the Fourth Proportional to 10,447.20, 14,417.01 and 5,731.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.20 : 14,417.01 = 5,731.47 : x
2. Step 2: Convert to fraction form
   10,447.20/14,417.01 = 5,731.47/x
3. Step 3: Cross multiply
   10,447.20x = 14,417.01 × 5,731.47
4. Step 4: Simplify right side
   10,447.20x = 82,630,660.30
5. Step 5: Solve for x
   x = 82,630,660.30/10,447.20
6. Step 6: Final answer
   x = 7,909.36