Finding the Fourth Proportional to 10,658.82, 15,992.84 and 5,722.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,658.82 : 15,992.84 = 5,722.70 : x
2. Step 2: Convert to fraction form
   10,658.82/15,992.84 = 5,722.70/x
3. Step 3: Cross multiply
   10,658.82x = 15,992.84 × 5,722.70
4. Step 4: Simplify right side
   10,658.82x = 91,522,116.89
5. Step 5: Solve for x
   x = 91,522,116.89/10,658.82
6. Step 6: Final answer
   x = 8,586.51