Finding the Fourth Proportional to 2,630.72, 3,629.84 and 2,001.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.72 : 3,629.84 = 2,001.12 : x
2. Step 2: Convert to fraction form
   2,630.72/3,629.84 = 2,001.12/x
3. Step 3: Cross multiply
   2,630.72x = 3,629.84 × 2,001.12
4. Step 4: Simplify right side
   2,630.72x = 7,263,745.42
5. Step 5: Solve for x
   x = 7,263,745.42/2,630.72
6. Step 6: Final answer
   x = 2,761.12