Finding the Fourth Proportional to 2,104.40, 3,157.28 and 1,008.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.40 : 3,157.28 = 1,008.84 : x
2. Step 2: Convert to fraction form
   2,104.40/3,157.28 = 1,008.84/x
3. Step 3: Cross multiply
   2,104.40x = 3,157.28 × 1,008.84
4. Step 4: Simplify right side
   2,104.40x = 3,185,185.31
5. Step 5: Solve for x
   x = 3,185,185.31/2,104.40
6. Step 6: Final answer
   x = 1,513.59