Finding the Fourth Proportional to 1,043.94, 1,564.81 and 495.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.94 : 1,564.81 = 495.46 : x
2. Step 2: Convert to fraction form
   1,043.94/1,564.81 = 495.46/x
3. Step 3: Cross multiply
   1,043.94x = 1,564.81 × 495.46
4. Step 4: Simplify right side
   1,043.94x = 775,300.76
5. Step 5: Solve for x
   x = 775,300.76/1,043.94
6. Step 6: Final answer
   x = 742.67