Finding the Fourth Proportional to 22,377.47, 30,881.58 and 12,305.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.47 : 30,881.58 = 12,305.39 : x
2. Step 2: Convert to fraction form
   22,377.47/30,881.58 = 12,305.39/x
3. Step 3: Cross multiply
   22,377.47x = 30,881.58 × 12,305.39
4. Step 4: Simplify right side
   22,377.47x = 380,009,885.72
5. Step 5: Solve for x
   x = 380,009,885.72/22,377.47
6. Step 6: Final answer
   x = 16,981.81