Finding the Fourth Proportional to 1,723.72, 2,378.78 and 937.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.72 : 2,378.78 = 937.82 : x
2. Step 2: Convert to fraction form
   1,723.72/2,378.78 = 937.82/x
3. Step 3: Cross multiply
   1,723.72x = 2,378.78 × 937.82
4. Step 4: Simplify right side
   1,723.72x = 2,230,867.46
5. Step 5: Solve for x
   x = 2,230,867.46/1,723.72
6. Step 6: Final answer
   x = 1,294.22