Finding the Fourth Proportional to 2,335.97, 3,505.32 and 1,020.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.97 : 3,505.32 = 1,020.58 : x
2. Step 2: Convert to fraction form
   2,335.97/3,505.32 = 1,020.58/x
3. Step 3: Cross multiply
   2,335.97x = 3,505.32 × 1,020.58
4. Step 4: Simplify right side
   2,335.97x = 3,577,450.72
5. Step 5: Solve for x
   x = 3,577,450.72/2,335.97
6. Step 6: Final answer
   x = 1,531.46