Finding the Fourth Proportional to 21,032.01, 29,024.91 and 12,081.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,032.01 : 29,024.91 = 12,081.15 : x
2. Step 2: Convert to fraction form
   21,032.01/29,024.91 = 12,081.15/x
3. Step 3: Cross multiply
   21,032.01x = 29,024.91 × 12,081.15
4. Step 4: Simplify right side
   21,032.01x = 350,654,291.45
5. Step 5: Solve for x
   x = 350,654,291.45/21,032.01
6. Step 6: Final answer
   x = 16,672.41