Finding the Fourth Proportional to 22,684.06, 31,304.10 and 12,613.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,684.06 : 31,304.10 = 12,613.42 : x
2. Step 2: Convert to fraction form
   22,684.06/31,304.10 = 12,613.42/x
3. Step 3: Cross multiply
   22,684.06x = 31,304.10 × 12,613.42
4. Step 4: Simplify right side
   22,684.06x = 394,851,761.02
5. Step 5: Solve for x
   x = 394,851,761.02/22,684.06
6. Step 6: Final answer
   x = 17,406.57