Finding the Fourth Proportional to 21,612.92, 29,825.61 and 12,184.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,612.92 : 29,825.61 = 12,184.52 : x
2. Step 2: Convert to fraction form
   21,612.92/29,825.61 = 12,184.52/x
3. Step 3: Cross multiply
   21,612.92x = 29,825.61 × 12,184.52
4. Step 4: Simplify right side
   21,612.92x = 363,410,741.56
5. Step 5: Solve for x
   x = 363,410,741.56/21,612.92
6. Step 6: Final answer
   x = 16,814.51