Finding the Fourth Proportional to 10,823.30, 16,212.27 and 5,613.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,823.30 : 16,212.27 = 5,613.38 : x
2. Step 2: Convert to fraction form
   10,823.30/16,212.27 = 5,613.38/x
3. Step 3: Cross multiply
   10,823.30x = 16,212.27 × 5,613.38
4. Step 4: Simplify right side
   10,823.30x = 91,005,632.17
5. Step 5: Solve for x
   x = 91,005,632.17/10,823.30
6. Step 6: Final answer
   x = 8,408.31