Finding the Fourth Proportional to 1,723.86, 2,378.90 and 937.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.86 : 2,378.90 = 937.89 : x
2. Step 2: Convert to fraction form
   1,723.86/2,378.90 = 937.89/x
3. Step 3: Cross multiply
   1,723.86x = 2,378.90 × 937.89
4. Step 4: Simplify right side
   1,723.86x = 2,231,146.52
5. Step 5: Solve for x
   x = 2,231,146.52/1,723.86
6. Step 6: Final answer
   x = 1,294.27