Finding the Fourth Proportional to 2,002.73, 3,002.99 and 961.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.73 : 3,002.99 = 961.88 : x
2. Step 2: Convert to fraction form
   2,002.73/3,002.99 = 961.88/x
3. Step 3: Cross multiply
   2,002.73x = 3,002.99 × 961.88
4. Step 4: Simplify right side
   2,002.73x = 2,888,518.72
5. Step 5: Solve for x
   x = 2,888,518.72/2,002.73
6. Step 6: Final answer
   x = 1,442.29