Finding the Fourth Proportional to 2,960.31, 4,055.58 and 2,849.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.31 : 4,055.58 = 2,849.52 : x
2. Step 2: Convert to fraction form
   2,960.31/4,055.58 = 2,849.52/x
3. Step 3: Cross multiply
   2,960.31x = 4,055.58 × 2,849.52
4. Step 4: Simplify right side
   2,960.31x = 11,556,456.32
5. Step 5: Solve for x
   x = 11,556,456.32/2,960.31
6. Step 6: Final answer
   x = 3,903.80