Finding the Fourth Proportional to 3,023.31, 4,530.89 and 2,290.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,023.31 : 4,530.89 = 2,290.59 : x
2. Step 2: Convert to fraction form
   3,023.31/4,530.89 = 2,290.59/x
3. Step 3: Cross multiply
   3,023.31x = 4,530.89 × 2,290.59
4. Step 4: Simplify right side
   3,023.31x = 10,378,399.87
5. Step 5: Solve for x
   x = 10,378,399.87/3,023.31
6. Step 6: Final answer
   x = 3,432.79