Finding the Fourth Proportional to 3,683.55, 5,083.47 and 2,111.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.55 : 5,083.47 = 2,111.64 : x
2. Step 2: Convert to fraction form
   3,683.55/5,083.47 = 2,111.64/x
3. Step 3: Cross multiply
   3,683.55x = 5,083.47 × 2,111.64
4. Step 4: Simplify right side
   3,683.55x = 10,734,458.59
5. Step 5: Solve for x
   x = 10,734,458.59/3,683.55
6. Step 6: Final answer
   x = 2,914.16