Finding the Fourth Proportional to 15,792.41, 21,792.37 and 8,719.29

Step by Step Solution

1. Step 1: Write the proportion equation
   15,792.41 : 21,792.37 = 8,719.29 : x
2. Step 2: Convert to fraction form
   15,792.41/21,792.37 = 8,719.29/x
3. Step 3: Cross multiply
   15,792.41x = 21,792.37 × 8,719.29
4. Step 4: Simplify right side
   15,792.41x = 190,013,993.82
5. Step 5: Solve for x
   x = 190,013,993.82/15,792.41
6. Step 6: Final answer
   x = 12,031.98