Finding the Fourth Proportional to 1,683.13, 2,322.72 and 937.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.13 : 2,322.72 = 937.05 : x
2. Step 2: Convert to fraction form
   1,683.13/2,322.72 = 937.05/x
3. Step 3: Cross multiply
   1,683.13x = 2,322.72 × 937.05
4. Step 4: Simplify right side
   1,683.13x = 2,176,504.78
5. Step 5: Solve for x
   x = 2,176,504.78/1,683.13
6. Step 6: Final answer
   x = 1,293.13