Finding the Fourth Proportional to 2,390.55, 3,581.78 and 1,464.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.55 : 3,581.78 = 1,464.17 : x
2. Step 2: Convert to fraction form
   2,390.55/3,581.78 = 1,464.17/x
3. Step 3: Cross multiply
   2,390.55x = 3,581.78 × 1,464.17
4. Step 4: Simplify right side
   2,390.55x = 5,244,334.82
5. Step 5: Solve for x
   x = 5,244,334.82/2,390.55
6. Step 6: Final answer
   x = 2,193.78