Finding the Fourth Proportional to 1,723.93, 2,379.06 and 938.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.93 : 2,379.06 = 938.03 : x
2. Step 2: Convert to fraction form
   1,723.93/2,379.06 = 938.03/x
3. Step 3: Cross multiply
   1,723.93x = 2,379.06 × 938.03
4. Step 4: Simplify right side
   1,723.93x = 2,231,617.76
5. Step 5: Solve for x
   x = 2,231,617.76/1,723.93
6. Step 6: Final answer
   x = 1,294.50