Finding the Fourth Proportional to 2,088.09, 2,879.22 and 1,425.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.09 : 2,879.22 = 1,425.30 : x
2. Step 2: Convert to fraction form
   2,088.09/2,879.22 = 1,425.30/x
3. Step 3: Cross multiply
   2,088.09x = 2,879.22 × 1,425.30
4. Step 4: Simplify right side
   2,088.09x = 4,103,752.27
5. Step 5: Solve for x
   x = 4,103,752.27/2,088.09
6. Step 6: Final answer
   x = 1,965.31