Finding the Fourth Proportional to 2,584.69, 3,564.25 and 2,212.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.69 : 3,564.25 = 2,212.90 : x
2. Step 2: Convert to fraction form
   2,584.69/3,564.25 = 2,212.90/x
3. Step 3: Cross multiply
   2,584.69x = 3,564.25 × 2,212.90
4. Step 4: Simplify right side
   2,584.69x = 7,887,328.83
5. Step 5: Solve for x
   x = 7,887,328.83/2,584.69
6. Step 6: Final answer
   x = 3,051.56