Finding the Fourth Proportional to 3,683.88, 5,084.42 and 2,111.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.88 : 5,084.42 = 2,111.98 : x
2. Step 2: Convert to fraction form
   3,683.88/5,084.42 = 2,111.98/x
3. Step 3: Cross multiply
   3,683.88x = 5,084.42 × 2,111.98
4. Step 4: Simplify right side
   3,683.88x = 10,738,193.35
5. Step 5: Solve for x
   x = 10,738,193.35/3,683.88
6. Step 6: Final answer
   x = 2,914.91