Finding the Fourth Proportional to 21,152.52, 29,193.53 and 12,198.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,152.52 : 29,193.53 = 12,198.24 : x
2. Step 2: Convert to fraction form
   21,152.52/29,193.53 = 12,198.24/x
3. Step 3: Cross multiply
   21,152.52x = 29,193.53 × 12,198.24
4. Step 4: Simplify right side
   21,152.52x = 356,109,685.39
5. Step 5: Solve for x
   x = 356,109,685.39/21,152.52
6. Step 6: Final answer
   x = 16,835.33