Finding the Fourth Proportional to 3,059.25, 4,585.71 and 1,209.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.25 : 4,585.71 = 1,209.61 : x
2. Step 2: Convert to fraction form
   3,059.25/4,585.71 = 1,209.61/x
3. Step 3: Cross multiply
   3,059.25x = 4,585.71 × 1,209.61
4. Step 4: Simplify right side
   3,059.25x = 5,546,920.67
5. Step 5: Solve for x
   x = 5,546,920.67/3,059.25
6. Step 6: Final answer
   x = 1,813.16