Finding the Fourth Proportional to 2,158.48, 3,238.62 and 1,335.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.48 : 3,238.62 = 1,335.52 : x
2. Step 2: Convert to fraction form
   2,158.48/3,238.62 = 1,335.52/x
3. Step 3: Cross multiply
   2,158.48x = 3,238.62 × 1,335.52
4. Step 4: Simplify right side
   2,158.48x = 4,325,241.78
5. Step 5: Solve for x
   x = 4,325,241.78/2,158.48
6. Step 6: Final answer
   x = 2,003.84