Finding the Fourth Proportional to 2,726.13, 4,085.59 and 993.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.13 : 4,085.59 = 993.09 : x
2. Step 2: Convert to fraction form
   2,726.13/4,085.59 = 993.09/x
3. Step 3: Cross multiply
   2,726.13x = 4,085.59 × 993.09
4. Step 4: Simplify right side
   2,726.13x = 4,057,358.57
5. Step 5: Solve for x
   x = 4,057,358.57/2,726.13
6. Step 6: Final answer
   x = 1,488.32