Finding the Fourth Proportional to 2,053.91, 3,072.38 and 1,879.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.91 : 3,072.38 = 1,879.28 : x
2. Step 2: Convert to fraction form
   2,053.91/3,072.38 = 1,879.28/x
3. Step 3: Cross multiply
   2,053.91x = 3,072.38 × 1,879.28
4. Step 4: Simplify right side
   2,053.91x = 5,773,837.53
5. Step 5: Solve for x
   x = 5,773,837.53/2,053.91
6. Step 6: Final answer
   x = 2,811.15