Finding the Fourth Proportional to 1,323.69, 1,826.88 and 764.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.69 : 1,826.88 = 764.04 : x
2. Step 2: Convert to fraction form
   1,323.69/1,826.88 = 764.04/x
3. Step 3: Cross multiply
   1,323.69x = 1,826.88 × 764.04
4. Step 4: Simplify right side
   1,323.69x = 1,395,813.38
5. Step 5: Solve for x
   x = 1,395,813.38/1,323.69
6. Step 6: Final answer
   x = 1,054.49