Finding the Fourth Proportional to 21,598.92, 29,808.18 and 12,168.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,598.92 : 29,808.18 = 12,168.52 : x
2. Step 2: Convert to fraction form
   21,598.92/29,808.18 = 12,168.52/x
3. Step 3: Cross multiply
   21,598.92x = 29,808.18 × 12,168.52
4. Step 4: Simplify right side
   21,598.92x = 362,721,434.49
5. Step 5: Solve for x
   x = 362,721,434.49/21,598.92
6. Step 6: Final answer
   x = 16,793.50