Finding the Fourth Proportional to 3,166.43, 4,746.89 and 1,217.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,166.43 : 4,746.89 = 1,217.25 : x
2. Step 2: Convert to fraction form
   3,166.43/4,746.89 = 1,217.25/x
3. Step 3: Cross multiply
   3,166.43x = 4,746.89 × 1,217.25
4. Step 4: Simplify right side
   3,166.43x = 5,778,154.90
5. Step 5: Solve for x
   x = 5,778,154.90/3,166.43
6. Step 6: Final answer
   x = 1,824.82