Finding the Fourth Proportional to 1,323.63, 1,983.92 and 738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.63 : 1,983.92 = 738.50 : x
2. Step 2: Convert to fraction form
   1,323.63/1,983.92 = 738.50/x
3. Step 3: Cross multiply
   1,323.63x = 1,983.92 × 738.50
4. Step 4: Simplify right side
   1,323.63x = 1,465,111.31
5. Step 5: Solve for x
   x = 1,465,111.31/1,323.63
6. Step 6: Final answer
   x = 1,106.89