Finding the Fourth Proportional to 2,146.42, 3,216.39 and 1,683.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.42 : 3,216.39 = 1,683.10 : x
2. Step 2: Convert to fraction form
   2,146.42/3,216.39 = 1,683.10/x
3. Step 3: Cross multiply
   2,146.42x = 3,216.39 × 1,683.10
4. Step 4: Simplify right side
   2,146.42x = 5,413,506.01
5. Step 5: Solve for x
   x = 5,413,506.01/2,146.42
6. Step 6: Final answer
   x = 2,522.11