Finding the Fourth Proportional to 2,187.05, 3,277.83 and 1,722.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.05 : 3,277.83 = 1,722.99 : x
2. Step 2: Convert to fraction form
   2,187.05/3,277.83 = 1,722.99/x
3. Step 3: Cross multiply
   2,187.05x = 3,277.83 × 1,722.99
4. Step 4: Simplify right side
   2,187.05x = 5,647,668.31
5. Step 5: Solve for x
   x = 5,647,668.31/2,187.05
6. Step 6: Final answer
   x = 2,582.32