Finding the Fourth Proportional to 22,377.90, 30,881.70 and 12,306.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.90 : 30,881.70 = 12,306.10 : x
2. Step 2: Convert to fraction form
   22,377.90/30,881.70 = 12,306.10/x
3. Step 3: Cross multiply
   22,377.90x = 30,881.70 × 12,306.10
4. Step 4: Simplify right side
   22,377.90x = 380,033,288.37
5. Step 5: Solve for x
   x = 380,033,288.37/22,377.90
6. Step 6: Final answer
   x = 16,982.53