Finding the Fourth Proportional to 10,217.42, 15,315.22 and 5,825.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,217.42 : 15,315.22 = 5,825.42 : x
2. Step 2: Convert to fraction form
   10,217.42/15,315.22 = 5,825.42/x
3. Step 3: Cross multiply
   10,217.42x = 15,315.22 × 5,825.42
4. Step 4: Simplify right side
   10,217.42x = 89,217,588.89
5. Step 5: Solve for x
   x = 89,217,588.89/10,217.42
6. Step 6: Final answer
   x = 8,731.91