Finding the Fourth Proportional to 1,683.83, 2,333.53 and 1,660.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.83 : 2,333.53 = 1,660.34 : x
2. Step 2: Convert to fraction form
   1,683.83/2,333.53 = 1,660.34/x
3. Step 3: Cross multiply
   1,683.83x = 2,333.53 × 1,660.34
4. Step 4: Simplify right side
   1,683.83x = 3,874,437.38
5. Step 5: Solve for x
   x = 3,874,437.38/1,683.83
6. Step 6: Final answer
   x = 2,300.97