Finding the Fourth Proportional to 2,284.48, 3,428.64 and 1,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.48 : 3,428.64 = 1,131.52 : x
2. Step 2: Convert to fraction form
   2,284.48/3,428.64 = 1,131.52/x
3. Step 3: Cross multiply
   2,284.48x = 3,428.64 × 1,131.52
4. Step 4: Simplify right side
   2,284.48x = 3,879,574.73
5. Step 5: Solve for x
   x = 3,879,574.73/2,284.48
6. Step 6: Final answer
   x = 1,698.23