Finding the Fourth Proportional to 22,519.25, 31,076.67 and 12,310.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,519.25 : 31,076.67 = 12,310.29 : x
2. Step 2: Convert to fraction form
   22,519.25/31,076.67 = 12,310.29/x
3. Step 3: Cross multiply
   22,519.25x = 31,076.67 × 12,310.29
4. Step 4: Simplify right side
   22,519.25x = 382,562,819.93
5. Step 5: Solve for x
   x = 382,562,819.93/22,519.25
6. Step 6: Final answer
   x = 16,988.26