Finding the Fourth Proportional to 3,238.59, 4,858.58 and 1,158.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.59 : 4,858.58 = 1,158.69 : x
2. Step 2: Convert to fraction form
   3,238.59/4,858.58 = 1,158.69/x
3. Step 3: Cross multiply
   3,238.59x = 4,858.58 × 1,158.69
4. Step 4: Simplify right side
   3,238.59x = 5,629,588.06
5. Step 5: Solve for x
   x = 5,629,588.06/3,238.59
6. Step 6: Final answer
   x = 1,738.28