Finding the Fourth Proportional to 2,569.06, 3,850.50 and 1,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.06 : 3,850.50 = 1,087.72 : x
2. Step 2: Convert to fraction form
   2,569.06/3,850.50 = 1,087.72/x
3. Step 3: Cross multiply
   2,569.06x = 3,850.50 × 1,087.72
4. Step 4: Simplify right side
   2,569.06x = 4,188,265.86
5. Step 5: Solve for x
   x = 4,188,265.86/2,569.06
6. Step 6: Final answer
   x = 1,630.27