Finding the Fourth Proportional to 2,248.88, 3,103.45 and 1,317.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248.88 : 3,103.45 = 1,317.38 : x
2. Step 2: Convert to fraction form
   2,248.88/3,103.45 = 1,317.38/x
3. Step 3: Cross multiply
   2,248.88x = 3,103.45 × 1,317.38
4. Step 4: Simplify right side
   2,248.88x = 4,088,404.15
5. Step 5: Solve for x
   x = 4,088,404.15/2,248.88
6. Step 6: Final answer
   x = 1,817.98