Finding the Fourth Proportional to 3,683.17, 5,082.82 and 2,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.17 : 5,082.82 = 2,111.25 : x
2. Step 2: Convert to fraction form
   3,683.17/5,082.82 = 2,111.25/x
3. Step 3: Cross multiply
   3,683.17x = 5,082.82 × 2,111.25
4. Step 4: Simplify right side
   3,683.17x = 10,731,098.45
5. Step 5: Solve for x
   x = 10,731,098.45/3,683.17
6. Step 6: Final answer
   x = 2,913.55