Finding the Fourth Proportional to 13,456.67, 20,185.38 and 3,595.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,456.67 : 20,185.38 = 3,595.96 : x
2. Step 2: Convert to fraction form
   13,456.67/20,185.38 = 3,595.96/x
3. Step 3: Cross multiply
   13,456.67x = 20,185.38 × 3,595.96
4. Step 4: Simplify right side
   13,456.67x = 72,585,819.06
5. Step 5: Solve for x
   x = 72,585,819.06/13,456.67
6. Step 6: Final answer
   x = 5,394.04