Finding the Fourth Proportional to 10,792.16, 16,185.28 and 7,662.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,792.16 : 16,185.28 = 7,662.88 : x
2. Step 2: Convert to fraction form
   10,792.16/16,185.28 = 7,662.88/x
3. Step 3: Cross multiply
   10,792.16x = 16,185.28 × 7,662.88
4. Step 4: Simplify right side
   10,792.16x = 124,025,858.41
5. Step 5: Solve for x
   x = 124,025,858.41/10,792.16
6. Step 6: Final answer
   x = 11,492.22