Finding the Fourth Proportional to 10,956.72, 16,437.84 and 3,165.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.72 : 16,437.84 = 3,165.48 : x
2. Step 2: Convert to fraction form
   10,956.72/16,437.84 = 3,165.48/x
3. Step 3: Cross multiply
   10,956.72x = 16,437.84 × 3,165.48
4. Step 4: Simplify right side
   10,956.72x = 52,033,653.76
5. Step 5: Solve for x
   x = 52,033,653.76/10,956.72
6. Step 6: Final answer
   x = 4,749.02