Finding the Fourth Proportional to 2,104.91, 2,903.56 and 1,317.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.91 : 2,903.56 = 1,317.59 : x
2. Step 2: Convert to fraction form
   2,104.91/2,903.56 = 1,317.59/x
3. Step 3: Cross multiply
   2,104.91x = 2,903.56 × 1,317.59
4. Step 4: Simplify right side
   2,104.91x = 3,825,687.10
5. Step 5: Solve for x
   x = 3,825,687.10/2,104.91
6. Step 6: Final answer
   x = 1,817.51