Finding the Fourth Proportional to 1,946.81, 2,683.39 and 1,379.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.81 : 2,683.39 = 1,379.83 : x
2. Step 2: Convert to fraction form
   1,946.81/2,683.39 = 1,379.83/x
3. Step 3: Cross multiply
   1,946.81x = 2,683.39 × 1,379.83
4. Step 4: Simplify right side
   1,946.81x = 3,702,622.02
5. Step 5: Solve for x
   x = 3,702,622.02/1,946.81
6. Step 6: Final answer
   x = 1,901.89