Finding the Fourth Proportional to 1,404.82, 2,107.27 and 480.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.82 : 2,107.27 = 480.37 : x
2. Step 2: Convert to fraction form
   1,404.82/2,107.27 = 480.37/x
3. Step 3: Cross multiply
   1,404.82x = 2,107.27 × 480.37
4. Step 4: Simplify right side
   1,404.82x = 1,012,269.58
5. Step 5: Solve for x
   x = 1,012,269.58/1,404.82
6. Step 6: Final answer
   x = 720.57