Finding the Fourth Proportional to 10,956.10, 16,436.55 and 3,559.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.10 : 16,436.55 = 3,559.30 : x
2. Step 2: Convert to fraction form
   10,956.10/16,436.55 = 3,559.30/x
3. Step 3: Cross multiply
   10,956.10x = 16,436.55 × 3,559.30
4. Step 4: Simplify right side
   10,956.10x = 58,502,612.42
5. Step 5: Solve for x
   x = 58,502,612.42/10,956.10
6. Step 6: Final answer
   x = 5,339.73