Finding the Fourth Proportional to 2,726.80, 3,764.52 and 1,979.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.80 : 3,764.52 = 1,979.98 : x
2. Step 2: Convert to fraction form
   2,726.80/3,764.52 = 1,979.98/x
3. Step 3: Cross multiply
   2,726.80x = 3,764.52 × 1,979.98
4. Step 4: Simplify right side
   2,726.80x = 7,453,674.31
5. Step 5: Solve for x
   x = 7,453,674.31/2,726.80
6. Step 6: Final answer
   x = 2,733.49