Finding the Fourth Proportional to 22,377.58, 30,881.86 and 12,306.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.58 : 30,881.86 = 12,306.80 : x
2. Step 2: Convert to fraction form
   22,377.58/30,881.86 = 12,306.80/x
3. Step 3: Cross multiply
   22,377.58x = 30,881.86 × 12,306.80
4. Step 4: Simplify right side
   22,377.58x = 380,056,921.09
5. Step 5: Solve for x
   x = 380,056,921.09/22,377.58
6. Step 6: Final answer
   x = 16,983.82