Finding the Fourth Proportional to 10,859.24, 14,986.17 and 6,321.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.24 : 14,986.17 = 6,321.56 : x
2. Step 2: Convert to fraction form
   10,859.24/14,986.17 = 6,321.56/x
3. Step 3: Cross multiply
   10,859.24x = 14,986.17 × 6,321.56
4. Step 4: Simplify right side
   10,859.24x = 94,735,897.89
5. Step 5: Solve for x
   x = 94,735,897.89/10,859.24
6. Step 6: Final answer
   x = 8,723.99