Finding the Fourth Proportional to 13,453.91, 20,179.37 and 3,594.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,453.91 : 20,179.37 = 3,594.05 : x
2. Step 2: Convert to fraction form
   13,453.91/20,179.37 = 3,594.05/x
3. Step 3: Cross multiply
   13,453.91x = 20,179.37 × 3,594.05
4. Step 4: Simplify right side
   13,453.91x = 72,525,545.88
5. Step 5: Solve for x
   x = 72,525,545.88/13,453.91
6. Step 6: Final answer
   x = 5,390.67