Finding the Fourth Proportional to 2,653.59, 3,661.22 and 1,590.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.59 : 3,661.22 = 1,590.69 : x
2. Step 2: Convert to fraction form
   2,653.59/3,661.22 = 1,590.69/x
3. Step 3: Cross multiply
   2,653.59x = 3,661.22 × 1,590.69
4. Step 4: Simplify right side
   2,653.59x = 5,823,858.09
5. Step 5: Solve for x
   x = 5,823,858.09/2,653.59
6. Step 6: Final answer
   x = 2,194.71