Finding the Fourth Proportional to 10,658.14, 15,991.82 and 5,722.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,658.14 : 15,991.82 = 5,722.02 : x
2. Step 2: Convert to fraction form
   10,658.14/15,991.82 = 5,722.02/x
3. Step 3: Cross multiply
   10,658.14x = 15,991.82 × 5,722.02
4. Step 4: Simplify right side
   10,658.14x = 91,505,513.88
5. Step 5: Solve for x
   x = 91,505,513.88/10,658.14
6. Step 6: Final answer
   x = 8,585.50