Finding the Fourth Proportional to 22,022.38, 30,390.91 and 12,591.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,022.38 : 30,390.91 = 12,591.14 : x
2. Step 2: Convert to fraction form
   22,022.38/30,390.91 = 12,591.14/x
3. Step 3: Cross multiply
   22,022.38x = 30,390.91 × 12,591.14
4. Step 4: Simplify right side
   22,022.38x = 382,656,139.58
5. Step 5: Solve for x
   x = 382,656,139.58/22,022.38
6. Step 6: Final answer
   x = 17,375.78