Finding the Fourth Proportional to 2,849.42, 4,274.94 and 2,120.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.42 : 4,274.94 = 2,120.42 : x
2. Step 2: Convert to fraction form
   2,849.42/4,274.94 = 2,120.42/x
3. Step 3: Cross multiply
   2,849.42x = 4,274.94 × 2,120.42
4. Step 4: Simplify right side
   2,849.42x = 9,064,668.27
5. Step 5: Solve for x
   x = 9,064,668.27/2,849.42
6. Step 6: Final answer
   x = 3,181.23