Finding the Fourth Proportional to 2,882.59, 3,977.81 and 1,687.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,882.59 : 3,977.81 = 1,687.58 : x
2. Step 2: Convert to fraction form
   2,882.59/3,977.81 = 1,687.58/x
3. Step 3: Cross multiply
   2,882.59x = 3,977.81 × 1,687.58
4. Step 4: Simplify right side
   2,882.59x = 6,712,887.89
5. Step 5: Solve for x
   x = 6,712,887.89/2,882.59
6. Step 6: Final answer
   x = 2,328.77