Finding the Fourth Proportional to 2,096.87, 2,892.59 and 1,257.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.87 : 2,892.59 = 1,257.17 : x
2. Step 2: Convert to fraction form
   2,096.87/2,892.59 = 1,257.17/x
3. Step 3: Cross multiply
   2,096.87x = 2,892.59 × 1,257.17
4. Step 4: Simplify right side
   2,096.87x = 3,636,477.37
5. Step 5: Solve for x
   x = 3,636,477.37/2,096.87
6. Step 6: Final answer
   x = 1,734.24