Finding the Fourth Proportional to 2,178.24, 3,268.17 and 1,008.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.24 : 3,268.17 = 1,008.81 : x
2. Step 2: Convert to fraction form
   2,178.24/3,268.17 = 1,008.81/x
3. Step 3: Cross multiply
   2,178.24x = 3,268.17 × 1,008.81
4. Step 4: Simplify right side
   2,178.24x = 3,296,962.58
5. Step 5: Solve for x
   x = 3,296,962.58/2,178.24
6. Step 6: Final answer
   x = 1,513.59