Finding the Fourth Proportional to 2,004.72, 3,005.06 and 963.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.72 : 3,005.06 = 963.20 : x
2. Step 2: Convert to fraction form
   2,004.72/3,005.06 = 963.20/x
3. Step 3: Cross multiply
   2,004.72x = 3,005.06 × 963.20
4. Step 4: Simplify right side
   2,004.72x = 2,894,453.95
5. Step 5: Solve for x
   x = 2,894,453.95/2,004.72
6. Step 6: Final answer
   x = 1,443.82