Finding the Fourth Proportional to 22,613.22, 31,208.16 and 12,544.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,613.22 : 31,208.16 = 12,544.91 : x
2. Step 2: Convert to fraction form
   22,613.22/31,208.16 = 12,544.91/x
3. Step 3: Cross multiply
   22,613.22x = 31,208.16 × 12,544.91
4. Step 4: Simplify right side
   22,613.22x = 391,503,402.42
5. Step 5: Solve for x
   x = 391,503,402.42/22,613.22
6. Step 6: Final answer
   x = 17,313.03