Finding the Fourth Proportional to 1,683.92, 2,523.83 and 758.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.92 : 2,523.83 = 758.57 : x
2. Step 2: Convert to fraction form
   1,683.92/2,523.83 = 758.57/x
3. Step 3: Cross multiply
   1,683.92x = 2,523.83 × 758.57
4. Step 4: Simplify right side
   1,683.92x = 1,914,485.31
5. Step 5: Solve for x
   x = 1,914,485.31/1,683.92
6. Step 6: Final answer
   x = 1,136.92