Finding the Fourth Proportional to 22,150.14, 30,565.35 and 12,716.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.14 : 30,565.35 = 12,716.70 : x
2. Step 2: Convert to fraction form
   22,150.14/30,565.35 = 12,716.70/x
3. Step 3: Cross multiply
   22,150.14x = 30,565.35 × 12,716.70
4. Step 4: Simplify right side
   22,150.14x = 388,690,386.35
5. Step 5: Solve for x
   x = 388,690,386.35/22,150.14
6. Step 6: Final answer
   x = 17,547.99