Finding the Fourth Proportional to 3,141.81, 4,302.18 and 3,017.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.81 : 4,302.18 = 3,017.88 : x
2. Step 2: Convert to fraction form
   3,141.81/4,302.18 = 3,017.88/x
3. Step 3: Cross multiply
   3,141.81x = 4,302.18 × 3,017.88
4. Step 4: Simplify right side
   3,141.81x = 12,983,462.98
5. Step 5: Solve for x
   x = 12,983,462.98/3,141.81
6. Step 6: Final answer
   x = 4,132.48