Finding the Fourth Proportional to 22,150.05, 30,565.96 and 12,588.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.05 : 30,565.96 = 12,588.68 : x
2. Step 2: Convert to fraction form
   22,150.05/30,565.96 = 12,588.68/x
3. Step 3: Cross multiply
   22,150.05x = 30,565.96 × 12,588.68
4. Step 4: Simplify right side
   22,150.05x = 384,784,936.50
5. Step 5: Solve for x
   x = 384,784,936.50/22,150.05
6. Step 6: Final answer
   x = 17,371.74