Finding the Fourth Proportional to 2,061.97, 3,085.77 and 1,687.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.97 : 3,085.77 = 1,687.44 : x
2. Step 2: Convert to fraction form
   2,061.97/3,085.77 = 1,687.44/x
3. Step 3: Cross multiply
   2,061.97x = 3,085.77 × 1,687.44
4. Step 4: Simplify right side
   2,061.97x = 5,207,069.63
5. Step 5: Solve for x
   x = 5,207,069.63/2,061.97
6. Step 6: Final answer
   x = 2,525.29