Finding the Fourth Proportional to 2,380.52, 3,570.48 and 1,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.52 : 3,570.48 = 1,081.69 : x
2. Step 2: Convert to fraction form
   2,380.52/3,570.48 = 1,081.69/x
3. Step 3: Cross multiply
   2,380.52x = 3,570.48 × 1,081.69
4. Step 4: Simplify right side
   2,380.52x = 3,862,143.59
5. Step 5: Solve for x
   x = 3,862,143.59/2,380.52
6. Step 6: Final answer
   x = 1,622.39