Finding the Fourth Proportional to 2,549.71, 3,821.38 and 1,087.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.71 : 3,821.38 = 1,087.16 : x
2. Step 2: Convert to fraction form
   2,549.71/3,821.38 = 1,087.16/x
3. Step 3: Cross multiply
   2,549.71x = 3,821.38 × 1,087.16
4. Step 4: Simplify right side
   2,549.71x = 4,154,429.66
5. Step 5: Solve for x
   x = 4,154,429.66/2,549.71
6. Step 6: Final answer
   x = 1,629.37