Finding the Fourth Proportional to 1,323.47, 1,826.55 and 764.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.47 : 1,826.55 = 764.03 : x
2. Step 2: Convert to fraction form
   1,323.47/1,826.55 = 764.03/x
3. Step 3: Cross multiply
   1,323.47x = 1,826.55 × 764.03
4. Step 4: Simplify right side
   1,323.47x = 1,395,543.56
5. Step 5: Solve for x
   x = 1,395,543.56/1,323.47
6. Step 6: Final answer
   x = 1,054.46