Finding the Fourth Proportional to 3,410.91, 4,703.94 and 2,150.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.91 : 4,703.94 = 2,150.55 : x
2. Step 2: Convert to fraction form
   3,410.91/4,703.94 = 2,150.55/x
3. Step 3: Cross multiply
   3,410.91x = 4,703.94 × 2,150.55
4. Step 4: Simplify right side
   3,410.91x = 10,116,058.17
5. Step 5: Solve for x
   x = 10,116,058.17/3,410.91
6. Step 6: Final answer
   x = 2,965.79