Finding the Fourth Proportional to 22,028.52, 30,400.86 and 12,468.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,028.52 : 30,400.86 = 12,468.42 : x
2. Step 2: Convert to fraction form
   22,028.52/30,400.86 = 12,468.42/x
3. Step 3: Cross multiply
   22,028.52x = 30,400.86 × 12,468.42
4. Step 4: Simplify right side
   22,028.52x = 379,050,690.84
5. Step 5: Solve for x
   x = 379,050,690.84/22,028.52
6. Step 6: Final answer
   x = 17,207.27