Finding the Fourth Proportional to 10,728.89, 16,097.77 and 5,792.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.89 : 16,097.77 = 5,792.72 : x
2. Step 2: Convert to fraction form
   10,728.89/16,097.77 = 5,792.72/x
3. Step 3: Cross multiply
   10,728.89x = 16,097.77 × 5,792.72
4. Step 4: Simplify right side
   10,728.89x = 93,249,779.26
5. Step 5: Solve for x
   x = 93,249,779.26/10,728.89
6. Step 6: Final answer
   x = 8,691.47