Finding the Fourth Proportional to 13,451.91, 20,176.37 and 3,592.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,451.91 : 20,176.37 = 3,592.05 : x
2. Step 2: Convert to fraction form
   13,451.91/20,176.37 = 3,592.05/x
3. Step 3: Cross multiply
   13,451.91x = 20,176.37 × 3,592.05
4. Step 4: Simplify right side
   13,451.91x = 72,474,529.86
5. Step 5: Solve for x
   x = 72,474,529.86/13,451.91
6. Step 6: Final answer
   x = 5,387.68