Finding the Fourth Proportional to 22,167.40, 30,591.54 and 12,608.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,167.40 : 30,591.54 = 12,608.84 : x
2. Step 2: Convert to fraction form
   22,167.40/30,591.54 = 12,608.84/x
3. Step 3: Cross multiply
   22,167.40x = 30,591.54 × 12,608.84
4. Step 4: Simplify right side
   22,167.40x = 385,723,833.21
5. Step 5: Solve for x
   x = 385,723,833.21/22,167.40
6. Step 6: Final answer
   x = 17,400.50