Finding the Fourth Proportional to 736.10, 1,015.82 and 404.53

Step by Step Solution

1. Step 1: Write the proportion equation
   736.10 : 1,015.82 = 404.53 : x
2. Step 2: Convert to fraction form
   736.10/1,015.82 = 404.53/x
3. Step 3: Cross multiply
   736.10x = 1,015.82 × 404.53
4. Step 4: Simplify right side
   736.10x = 410,925.10
5. Step 5: Solve for x
   x = 410,925.10/736.10
6. Step 6: Final answer
   x = 558.24