Finding the Fourth Proportional to 2,085.71, 2,878.26 and 1,141.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.71 : 2,878.26 = 1,141.49 : x
2. Step 2: Convert to fraction form
   2,085.71/2,878.26 = 1,141.49/x
3. Step 3: Cross multiply
   2,085.71x = 2,878.26 × 1,141.49
4. Step 4: Simplify right side
   2,085.71x = 3,285,505.01
5. Step 5: Solve for x
   x = 3,285,505.01/2,085.71
6. Step 6: Final answer
   x = 1,575.25