Finding the Fourth Proportional to 2,290.50, 3,161.61 and 1,544.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.50 : 3,161.61 = 1,544.22 : x
2. Step 2: Convert to fraction form
   2,290.50/3,161.61 = 1,544.22/x
3. Step 3: Cross multiply
   2,290.50x = 3,161.61 × 1,544.22
4. Step 4: Simplify right side
   2,290.50x = 4,882,221.39
5. Step 5: Solve for x
   x = 4,882,221.39/2,290.50
6. Step 6: Final answer
   x = 2,131.51