Finding the Fourth Proportional to 3,401.63, 4,695.42 and 2,144.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.63 : 4,695.42 = 2,144.80 : x
2. Step 2: Convert to fraction form
   3,401.63/4,695.42 = 2,144.80/x
3. Step 3: Cross multiply
   3,401.63x = 4,695.42 × 2,144.80
4. Step 4: Simplify right side
   3,401.63x = 10,070,736.82
5. Step 5: Solve for x
   x = 10,070,736.82/3,401.63
6. Step 6: Final answer
   x = 2,960.56