Finding the Fourth Proportional to 22,372.91, 30,874.73 and 12,301.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,372.91 : 30,874.73 = 12,301.99 : x
2. Step 2: Convert to fraction form
   22,372.91/30,874.73 = 12,301.99/x
3. Step 3: Cross multiply
   22,372.91x = 30,874.73 × 12,301.99
4. Step 4: Simplify right side
   22,372.91x = 379,820,635.39
5. Step 5: Solve for x
   x = 379,820,635.39/22,372.91
6. Step 6: Final answer
   x = 16,976.81