Finding the Fourth Proportional to 3,401.46, 5,106.51 and 3,220.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.46 : 5,106.51 = 3,220.02 : x
2. Step 2: Convert to fraction form
   3,401.46/5,106.51 = 3,220.02/x
3. Step 3: Cross multiply
   3,401.46x = 5,106.51 × 3,220.02
4. Step 4: Simplify right side
   3,401.46x = 16,443,064.33
5. Step 5: Solve for x
   x = 16,443,064.33/3,401.46
6. Step 6: Final answer
   x = 4,834.12