Finding the Fourth Proportional to 21,033.01, 29,026.29 and 12,082.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,033.01 : 29,026.29 = 12,082.15 : x
2. Step 2: Convert to fraction form
   21,033.01/29,026.29 = 12,082.15/x
3. Step 3: Cross multiply
   21,033.01x = 29,026.29 × 12,082.15
4. Step 4: Simplify right side
   21,033.01x = 350,699,989.72
5. Step 5: Solve for x
   x = 350,699,989.72/21,033.01
6. Step 6: Final answer
   x = 16,673.79