Finding the Fourth Proportional to 1,733.24, 2,391.89 and 987.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,733.24 : 2,391.89 = 987.33 : x
2. Step 2: Convert to fraction form
   1,733.24/2,391.89 = 987.33/x
3. Step 3: Cross multiply
   1,733.24x = 2,391.89 × 987.33
4. Step 4: Simplify right side
   1,733.24x = 2,361,584.75
5. Step 5: Solve for x
   x = 2,361,584.75/1,733.24
6. Step 6: Final answer
   x = 1,362.53