Finding the Fourth Proportional to 3,683.89, 5,083.77 and 2,111.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.89 : 5,083.77 = 2,111.98 : x
2. Step 2: Convert to fraction form
   3,683.89/5,083.77 = 2,111.98/x
3. Step 3: Cross multiply
   3,683.89x = 5,083.77 × 2,111.98
4. Step 4: Simplify right side
   3,683.89x = 10,736,820.56
5. Step 5: Solve for x
   x = 10,736,820.56/3,683.89
6. Step 6: Final answer
   x = 2,914.53