Finding the Fourth Proportional to 22,375.59, 30,878.82 and 12,303.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.59 : 30,878.82 = 12,303.39 : x
2. Step 2: Convert to fraction form
   22,375.59/30,878.82 = 12,303.39/x
3. Step 3: Cross multiply
   22,375.59x = 30,878.82 × 12,303.39
4. Step 4: Simplify right side
   22,375.59x = 379,914,103.68
5. Step 5: Solve for x
   x = 379,914,103.68/22,375.59
6. Step 6: Final answer
   x = 16,978.95