Finding the Fourth Proportional to 3,659.50, 5,454.50 and 3,446.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.50 : 5,454.50 = 3,446.47 : x
2. Step 2: Convert to fraction form
   3,659.50/5,454.50 = 3,446.47/x
3. Step 3: Cross multiply
   3,659.50x = 5,454.50 × 3,446.47
4. Step 4: Simplify right side
   3,659.50x = 18,798,770.62
5. Step 5: Solve for x
   x = 18,798,770.62/3,659.50
6. Step 6: Final answer
   x = 5,136.98