Finding the Fourth Proportional to 2,290.79, 3,162.05 and 1,629.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.79 : 3,162.05 = 1,629.56 : x
2. Step 2: Convert to fraction form
   2,290.79/3,162.05 = 1,629.56/x
3. Step 3: Cross multiply
   2,290.79x = 3,162.05 × 1,629.56
4. Step 4: Simplify right side
   2,290.79x = 5,152,726.24
5. Step 5: Solve for x
   x = 5,152,726.24/2,290.79
6. Step 6: Final answer
   x = 2,249.33