Finding the Fourth Proportional to 21,504.72, 29,677.04 and 12,073.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,504.72 : 29,677.04 = 12,073.04 : x
2. Step 2: Convert to fraction form
   21,504.72/29,677.04 = 12,073.04/x
3. Step 3: Cross multiply
   21,504.72x = 29,677.04 × 12,073.04
4. Step 4: Simplify right side
   21,504.72x = 358,292,091.00
5. Step 5: Solve for x
   x = 358,292,091.00/21,504.72
6. Step 6: Final answer
   x = 16,661.09