Finding the Fourth Proportional to 3,683.49, 5,083.36 and 2,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.49 : 5,083.36 = 2,111.88 : x
2. Step 2: Convert to fraction form
   3,683.49/5,083.36 = 2,111.88/x
3. Step 3: Cross multiply
   3,683.49x = 5,083.36 × 2,111.88
4. Step 4: Simplify right side
   3,683.49x = 10,735,460.10
5. Step 5: Solve for x
   x = 10,735,460.10/3,683.49
6. Step 6: Final answer
   x = 2,914.48