Finding the Fourth Proportional to 22,793.87, 31,452.72 and 12,722.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,793.87 : 31,452.72 = 12,722.87 : x
2. Step 2: Convert to fraction form
   22,793.87/31,452.72 = 12,722.87/x
3. Step 3: Cross multiply
   22,793.87x = 31,452.72 × 12,722.87
4. Step 4: Simplify right side
   22,793.87x = 400,168,867.71
5. Step 5: Solve for x
   x = 400,168,867.71/22,793.87
6. Step 6: Final answer
   x = 17,555.99