Finding the Fourth Proportional to 3,317.89, 4,578.69 and 1,825.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,317.89 : 4,578.69 = 1,825.91 : x
2. Step 2: Convert to fraction form
   3,317.89/4,578.69 = 1,825.91/x
3. Step 3: Cross multiply
   3,317.89x = 4,578.69 × 1,825.91
4. Step 4: Simplify right side
   3,317.89x = 8,360,275.86
5. Step 5: Solve for x
   x = 8,360,275.86/3,317.89
6. Step 6: Final answer
   x = 2,519.76