Finding the Fourth Proportional to 10,956.05, 16,434.98 and 3,560.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.05 : 16,434.98 = 3,560.34 : x
2. Step 2: Convert to fraction form
   10,956.05/16,434.98 = 3,560.34/x
3. Step 3: Cross multiply
   10,956.05x = 16,434.98 × 3,560.34
4. Step 4: Simplify right side
   10,956.05x = 58,514,116.69
5. Step 5: Solve for x
   x = 58,514,116.69/10,956.05
6. Step 6: Final answer
   x = 5,340.80