Finding the Fourth Proportional to 3,683.52, 5,083.28 and 2,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.52 : 5,083.28 = 2,111.56 : x
2. Step 2: Convert to fraction form
   3,683.52/5,083.28 = 2,111.56/x
3. Step 3: Cross multiply
   3,683.52x = 5,083.28 × 2,111.56
4. Step 4: Simplify right side
   3,683.52x = 10,733,650.72
5. Step 5: Solve for x
   x = 10,733,650.72/3,683.52
6. Step 6: Final answer
   x = 2,913.97