Finding the Fourth Proportional to 2,390.23, 3,585.33 and 930.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.23 : 3,585.33 = 930.41 : x
2. Step 2: Convert to fraction form
   2,390.23/3,585.33 = 930.41/x
3. Step 3: Cross multiply
   2,390.23x = 3,585.33 × 930.41
4. Step 4: Simplify right side
   2,390.23x = 3,335,826.89
5. Step 5: Solve for x
   x = 3,335,826.89/2,390.23
6. Step 6: Final answer
   x = 1,395.61