Finding the Fourth Proportional to 2,002.09, 3,002.37 and 961.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.09 : 3,002.37 = 961.44 : x
2. Step 2: Convert to fraction form
   2,002.09/3,002.37 = 961.44/x
3. Step 3: Cross multiply
   2,002.09x = 3,002.37 × 961.44
4. Step 4: Simplify right side
   2,002.09x = 2,886,598.61
5. Step 5: Solve for x
   x = 2,886,598.61/2,002.09
6. Step 6: Final answer
   x = 1,441.79