Finding the Fourth Proportional to 1,446.52, 2,168.34 and 752.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.52 : 2,168.34 = 752.80 : x
2. Step 2: Convert to fraction form
   1,446.52/2,168.34 = 752.80/x
3. Step 3: Cross multiply
   1,446.52x = 2,168.34 × 752.80
4. Step 4: Simplify right side
   1,446.52x = 1,632,326.35
5. Step 5: Solve for x
   x = 1,632,326.35/1,446.52
6. Step 6: Final answer
   x = 1,128.45