Finding the Fourth Proportional to 10,521.29, 14,519.25 and 5,805.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,521.29 : 14,519.25 = 5,805.27 : x
2. Step 2: Convert to fraction form
   10,521.29/14,519.25 = 5,805.27/x
3. Step 3: Cross multiply
   10,521.29x = 14,519.25 × 5,805.27
4. Step 4: Simplify right side
   10,521.29x = 84,288,166.45
5. Step 5: Solve for x
   x = 84,288,166.45/10,521.29
6. Step 6: Final answer
   x = 8,011.20