Finding the Fourth Proportional to 3,401.77, 5,104.83 and 2,170.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.77 : 5,104.83 = 2,170.06 : x
2. Step 2: Convert to fraction form
   3,401.77/5,104.83 = 2,170.06/x
3. Step 3: Cross multiply
   3,401.77x = 5,104.83 × 2,170.06
4. Step 4: Simplify right side
   3,401.77x = 11,077,787.39
5. Step 5: Solve for x
   x = 11,077,787.39/3,401.77
6. Step 6: Final answer
   x = 3,256.48