Finding the Fourth Proportional to 2,284.52, 3,152.37 and 1,289.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.52 : 3,152.37 = 1,289.71 : x
2. Step 2: Convert to fraction form
   2,284.52/3,152.37 = 1,289.71/x
3. Step 3: Cross multiply
   2,284.52x = 3,152.37 × 1,289.71
4. Step 4: Simplify right side
   2,284.52x = 4,065,635.23
5. Step 5: Solve for x
   x = 4,065,635.23/2,284.52
6. Step 6: Final answer
   x = 1,779.64