Finding the Fourth Proportional to 2,379.52, 3,570.84 and 1,081.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.52 : 3,570.84 = 1,081.12 : x
2. Step 2: Convert to fraction form
   2,379.52/3,570.84 = 1,081.12/x
3. Step 3: Cross multiply
   2,379.52x = 3,570.84 × 1,081.12
4. Step 4: Simplify right side
   2,379.52x = 3,860,506.54
5. Step 5: Solve for x
   x = 3,860,506.54/2,379.52
6. Step 6: Final answer
   x = 1,622.39