Finding the Fourth Proportional to 3,158.82, 4,743.69 and 2,911.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158.82 : 4,743.69 = 2,911.59 : x
2. Step 2: Convert to fraction form
   3,158.82/4,743.69 = 2,911.59/x
3. Step 3: Cross multiply
   3,158.82x = 4,743.69 × 2,911.59
4. Step 4: Simplify right side
   3,158.82x = 13,811,680.37
5. Step 5: Solve for x
   x = 13,811,680.37/3,158.82
6. Step 6: Final answer
   x = 4,372.42