Finding the Fourth Proportional to 22,271.25, 30,733.83 and 12,579.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.25 : 30,733.83 = 12,579.81 : x
2. Step 2: Convert to fraction form
   22,271.25/30,733.83 = 12,579.81/x
3. Step 3: Cross multiply
   22,271.25x = 30,733.83 × 12,579.81
4. Step 4: Simplify right side
   22,271.25x = 386,625,626.72
5. Step 5: Solve for x
   x = 386,625,626.72/22,271.25
6. Step 6: Final answer
   x = 17,359.85