Finding the Fourth Proportional to 13,456.42, 20,185.01 and 3,595.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,456.42 : 20,185.01 = 3,595.71 : x
2. Step 2: Convert to fraction form
   13,456.42/20,185.01 = 3,595.71/x
3. Step 3: Cross multiply
   13,456.42x = 20,185.01 × 3,595.71
4. Step 4: Simplify right side
   13,456.42x = 72,579,451.30
5. Step 5: Solve for x
   x = 72,579,451.30/13,456.42
6. Step 6: Final answer
   x = 5,393.67