Finding the Fourth Proportional to 3,401.41, 4,694.01 and 2,221.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.41 : 4,694.01 = 2,221.80 : x
2. Step 2: Convert to fraction form
   3,401.41/4,694.01 = 2,221.80/x
3. Step 3: Cross multiply
   3,401.41x = 4,694.01 × 2,221.80
4. Step 4: Simplify right side
   3,401.41x = 10,429,151.42
5. Step 5: Solve for x
   x = 10,429,151.42/3,401.41
6. Step 6: Final answer
   x = 3,066.13