Finding the Fourth Proportional to 13,456.10, 20,185.16 and 3,595.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,456.10 : 20,185.16 = 3,595.16 : x
2. Step 2: Convert to fraction form
   13,456.10/20,185.16 = 3,595.16/x
3. Step 3: Cross multiply
   13,456.10x = 20,185.16 × 3,595.16
4. Step 4: Simplify right side
   13,456.10x = 72,568,879.83
5. Step 5: Solve for x
   x = 72,568,879.83/13,456.10
6. Step 6: Final answer
   x = 5,393.01