Finding the Fourth Proportional to 22,789.49, 31,449.50 and 12,580.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,789.49 : 31,449.50 = 12,580.52 : x
2. Step 2: Convert to fraction form
   22,789.49/31,449.50 = 12,580.52/x
3. Step 3: Cross multiply
   22,789.49x = 31,449.50 × 12,580.52
4. Step 4: Simplify right side
   22,789.49x = 395,650,843.59
5. Step 5: Solve for x
   x = 395,650,843.59/22,789.49
6. Step 6: Final answer
   x = 17,361.11