Finding the Fourth Proportional to 3,886.96, 5,827.71 and 1,804.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.96 : 5,827.71 = 1,804.76 : x
2. Step 2: Convert to fraction form
   3,886.96/5,827.71 = 1,804.76/x
3. Step 3: Cross multiply
   3,886.96x = 5,827.71 × 1,804.76
4. Step 4: Simplify right side
   3,886.96x = 10,517,617.90
5. Step 5: Solve for x
   x = 10,517,617.90/3,886.96
6. Step 6: Final answer
   x = 2,705.87