Finding the Fourth Proportional to 7,036.72, 10,555.58 and 2,105.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,036.72 : 10,555.58 = 2,105.96 : x
2. Step 2: Convert to fraction form
   7,036.72/10,555.58 = 2,105.96/x
3. Step 3: Cross multiply
   7,036.72x = 10,555.58 × 2,105.96
4. Step 4: Simplify right side
   7,036.72x = 22,229,629.26
5. Step 5: Solve for x
   x = 22,229,629.26/7,036.72
6. Step 6: Final answer
   x = 3,159.09