Finding the Fourth Proportional to 1,036.05, 1,552.71 and 487.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.05 : 1,552.71 = 487.49 : x
2. Step 2: Convert to fraction form
   1,036.05/1,552.71 = 487.49/x
3. Step 3: Cross multiply
   1,036.05x = 1,552.71 × 487.49
4. Step 4: Simplify right side
   1,036.05x = 756,922.83
5. Step 5: Solve for x
   x = 756,922.83/1,036.05
6. Step 6: Final answer
   x = 730.59