Finding the Fourth Proportional to 22,308.84, 30,788.94 and 12,877.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.84 : 30,788.94 = 12,877.41 : x
2. Step 2: Convert to fraction form
   22,308.84/30,788.94 = 12,877.41/x
3. Step 3: Cross multiply
   22,308.84x = 30,788.94 × 12,877.41
4. Step 4: Simplify right side
   22,308.84x = 396,481,803.85
5. Step 5: Solve for x
   x = 396,481,803.85/22,308.84
6. Step 6: Final answer
   x = 17,772.41