Finding the Fourth Proportional to 10,447.47, 14,417.53 and 5,731.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.47 : 14,417.53 = 5,731.79 : x
2. Step 2: Convert to fraction form
   10,447.47/14,417.53 = 5,731.79/x
3. Step 3: Cross multiply
   10,447.47x = 14,417.53 × 5,731.79
4. Step 4: Simplify right side
   10,447.47x = 82,638,167.86
5. Step 5: Solve for x
   x = 82,638,167.86/10,447.47
6. Step 6: Final answer
   x = 7,909.87