Finding the Fourth Proportional to 2,390.57, 3,581.82 and 1,464.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.57 : 3,581.82 = 1,464.20 : x
2. Step 2: Convert to fraction form
   2,390.57/3,581.82 = 1,464.20/x
3. Step 3: Cross multiply
   2,390.57x = 3,581.82 × 1,464.20
4. Step 4: Simplify right side
   2,390.57x = 5,244,492.25
5. Step 5: Solve for x
   x = 5,244,492.25/2,390.57
6. Step 6: Final answer
   x = 2,193.82