Finding the Fourth Proportional to 3,238.47, 4,858.79 and 1,158.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.47 : 4,858.79 = 1,158.05 : x
2. Step 2: Convert to fraction form
   3,238.47/4,858.79 = 1,158.05/x
3. Step 3: Cross multiply
   3,238.47x = 4,858.79 × 1,158.05
4. Step 4: Simplify right side
   3,238.47x = 5,626,728.12
5. Step 5: Solve for x
   x = 5,626,728.12/3,238.47
6. Step 6: Final answer
   x = 1,737.46