Finding the Fourth Proportional to 10,892.56, 16,336.62 and 3,099.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.56 : 16,336.62 = 3,099.28 : x
2. Step 2: Convert to fraction form
   10,892.56/16,336.62 = 3,099.28/x
3. Step 3: Cross multiply
   10,892.56x = 16,336.62 × 3,099.28
4. Step 4: Simplify right side
   10,892.56x = 50,631,759.63
5. Step 5: Solve for x
   x = 50,631,759.63/10,892.56
6. Step 6: Final answer
   x = 4,648.29