Finding the Fourth Proportional to 2,284.33, 3,152.39 and 1,289.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.33 : 3,152.39 = 1,289.62 : x
2. Step 2: Convert to fraction form
   2,284.33/3,152.39 = 1,289.62/x
3. Step 3: Cross multiply
   2,284.33x = 3,152.39 × 1,289.62
4. Step 4: Simplify right side
   2,284.33x = 4,065,378.74
5. Step 5: Solve for x
   x = 4,065,378.74/2,284.33
6. Step 6: Final answer
   x = 1,779.68