Finding the Fourth Proportional to 3,141.72, 4,689.41 and 2,881.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.72 : 4,689.41 = 2,881.98 : x
2. Step 2: Convert to fraction form
   3,141.72/4,689.41 = 2,881.98/x
3. Step 3: Cross multiply
   3,141.72x = 4,689.41 × 2,881.98
4. Step 4: Simplify right side
   3,141.72x = 13,514,771.42
5. Step 5: Solve for x
   x = 13,514,771.42/3,141.72
6. Step 6: Final answer
   x = 4,301.71