Finding the Fourth Proportional to 2,441.91, 3,662.47 and 687.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.91 : 3,662.47 = 687.03 : x
2. Step 2: Convert to fraction form
   2,441.91/3,662.47 = 687.03/x
3. Step 3: Cross multiply
   2,441.91x = 3,662.47 × 687.03
4. Step 4: Simplify right side
   2,441.91x = 2,516,226.76
5. Step 5: Solve for x
   x = 2,516,226.76/2,441.91
6. Step 6: Final answer
   x = 1,030.43