Finding the Fourth Proportional to 3,827.76, 5,735.31 and 3,683.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,827.76 : 5,735.31 = 3,683.78 : x
2. Step 2: Convert to fraction form
   3,827.76/5,735.31 = 3,683.78/x
3. Step 3: Cross multiply
   3,827.76x = 5,735.31 × 3,683.78
4. Step 4: Simplify right side
   3,827.76x = 21,127,599.29
5. Step 5: Solve for x
   x = 21,127,599.29/3,827.76
6. Step 6: Final answer
   x = 5,519.58