Finding the Fourth Proportional to 10,956.88, 16,437.30 and 3,166.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.88 : 16,437.30 = 3,166.12 : x
2. Step 2: Convert to fraction form
   10,956.88/16,437.30 = 3,166.12/x
3. Step 3: Cross multiply
   10,956.88x = 16,437.30 × 3,166.12
4. Step 4: Simplify right side
   10,956.88x = 52,042,464.28
5. Step 5: Solve for x
   x = 52,042,464.28/10,956.88
6. Step 6: Final answer
   x = 4,749.75