Finding the Fourth Proportional to 2,849.72, 3,930.49 and 2,141.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.72 : 3,930.49 = 2,141.59 : x
2. Step 2: Convert to fraction form
   2,849.72/3,930.49 = 2,141.59/x
3. Step 3: Cross multiply
   2,849.72x = 3,930.49 × 2,141.59
4. Step 4: Simplify right side
   2,849.72x = 8,417,498.30
5. Step 5: Solve for x
   x = 8,417,498.30/2,849.72
6. Step 6: Final answer
   x = 2,953.80