Finding the Fourth Proportional to 22,624.76, 31,225.91 and 12,556.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,624.76 : 31,225.91 = 12,556.43 : x
2. Step 2: Convert to fraction form
   22,624.76/31,225.91 = 12,556.43/x
3. Step 3: Cross multiply
   22,624.76x = 31,225.91 × 12,556.43
4. Step 4: Simplify right side
   22,624.76x = 392,085,898.37
5. Step 5: Solve for x
   x = 392,085,898.37/22,624.76
6. Step 6: Final answer
   x = 17,329.95