Finding the Fourth Proportional to 21,404.88, 29,545.56 and 15,033

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.88 : 29,545.56 = 15,033 : x
2. Step 2: Convert to fraction form
   21,404.88/29,545.56 = 15,033/x
3. Step 3: Cross multiply
   21,404.88x = 29,545.56 × 15,033
4. Step 4: Simplify right side
   21,404.88x = 444,158,403.48
5. Step 5: Solve for x
   x = 444,158,403.48/21,404.88
6. Step 6: Final answer
   x = 20,750.33