Finding the Fourth Proportional to 2,726.38, 4,085.96 and 993.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.38 : 4,085.96 = 993.34 : x
2. Step 2: Convert to fraction form
   2,726.38/4,085.96 = 993.34/x
3. Step 3: Cross multiply
   2,726.38x = 4,085.96 × 993.34
4. Step 4: Simplify right side
   2,726.38x = 4,058,747.51
5. Step 5: Solve for x
   x = 4,058,747.51/2,726.38
6. Step 6: Final answer
   x = 1,488.69