Finding the Fourth Proportional to 10,522.69, 14,521.12 and 5,986.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.69 : 14,521.12 = 5,986.20 : x
2. Step 2: Convert to fraction form
   10,522.69/14,521.12 = 5,986.20/x
3. Step 3: Cross multiply
   10,522.69x = 14,521.12 × 5,986.20
4. Step 4: Simplify right side
   10,522.69x = 86,926,328.54
5. Step 5: Solve for x
   x = 86,926,328.54/10,522.69
6. Step 6: Final answer
   x = 8,260.85