Finding the Fourth Proportional to 1,321.72, 1,823.82 and 754.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.72 : 1,823.82 = 754.46 : x
2. Step 2: Convert to fraction form
   1,321.72/1,823.82 = 754.46/x
3. Step 3: Cross multiply
   1,321.72x = 1,823.82 × 754.46
4. Step 4: Simplify right side
   1,321.72x = 1,376,004.39
5. Step 5: Solve for x
   x = 1,376,004.39/1,321.72
6. Step 6: Final answer
   x = 1,041.07