Finding the Fourth Proportional to 3,238.98, 4,857.27 and 1,158.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.98 : 4,857.27 = 1,158.42 : x
2. Step 2: Convert to fraction form
   3,238.98/4,857.27 = 1,158.42/x
3. Step 3: Cross multiply
   3,238.98x = 4,857.27 × 1,158.42
4. Step 4: Simplify right side
   3,238.98x = 5,626,758.71
5. Step 5: Solve for x
   x = 5,626,758.71/3,238.98
6. Step 6: Final answer
   x = 1,737.20