Finding the Fourth Proportional to 22,199.27, 30,635.90 and 12,767.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,199.27 : 30,635.90 = 12,767.83 : x
2. Step 2: Convert to fraction form
   22,199.27/30,635.90 = 12,767.83/x
3. Step 3: Cross multiply
   22,199.27x = 30,635.90 × 12,767.83
4. Step 4: Simplify right side
   22,199.27x = 391,153,963.10
5. Step 5: Solve for x
   x = 391,153,963.10/22,199.27
6. Step 6: Final answer
   x = 17,620.13