Finding the Fourth Proportional to 3,683.98, 5,083.80 and 2,111.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.98 : 5,083.80 = 2,111.98 : x
2. Step 2: Convert to fraction form
   3,683.98/5,083.80 = 2,111.98/x
3. Step 3: Cross multiply
   3,683.98x = 5,083.80 × 2,111.98
4. Step 4: Simplify right side
   3,683.98x = 10,736,883.92
5. Step 5: Solve for x
   x = 10,736,883.92/3,683.98
6. Step 6: Final answer
   x = 2,914.48