Finding the Fourth Proportional to 10,956.28, 16,436.04 and 3,165.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.28 : 16,436.04 = 3,165.16 : x
2. Step 2: Convert to fraction form
   10,956.28/16,436.04 = 3,165.16/x
3. Step 3: Cross multiply
   10,956.28x = 16,436.04 × 3,165.16
4. Step 4: Simplify right side
   10,956.28x = 52,022,696.37
5. Step 5: Solve for x
   x = 52,022,696.37/10,956.28
6. Step 6: Final answer
   x = 4,748.21