Finding the Fourth Proportional to 1,658.01, 2,287.80 and 959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.01 : 2,287.80 = 959.25 : x
2. Step 2: Convert to fraction form
   1,658.01/2,287.80 = 959.25/x
3. Step 3: Cross multiply
   1,658.01x = 2,287.80 × 959.25
4. Step 4: Simplify right side
   1,658.01x = 2,194,572.15
5. Step 5: Solve for x
   x = 2,194,572.15/1,658.01
6. Step 6: Final answer
   x = 1,323.62