Finding the Fourth Proportional to 22,377.16, 30,881.28 and 12,306.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.16 : 30,881.28 = 12,306.38 : x
2. Step 2: Convert to fraction form
   22,377.16/30,881.28 = 12,306.38/x
3. Step 3: Cross multiply
   22,377.16x = 30,881.28 × 12,306.38
4. Step 4: Simplify right side
   22,377.16x = 380,036,832.02
5. Step 5: Solve for x
   x = 380,036,832.02/22,377.16
6. Step 6: Final answer
   x = 16,983.25