Finding the Fourth Proportional to 1,464.71, 2,196.25 and 490.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.71 : 2,196.25 = 490.55 : x
2. Step 2: Convert to fraction form
   1,464.71/2,196.25 = 490.55/x
3. Step 3: Cross multiply
   1,464.71x = 2,196.25 × 490.55
4. Step 4: Simplify right side
   1,464.71x = 1,077,358.23
5. Step 5: Solve for x
   x = 1,077,358.23/1,464.71
6. Step 6: Final answer
   x = 735.55