Finding the Fourth Proportional to 3,601.72, 4,969.78 and 2,029.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.72 : 4,969.78 = 2,029.78 : x
2. Step 2: Convert to fraction form
   3,601.72/4,969.78 = 2,029.78/x
3. Step 3: Cross multiply
   3,601.72x = 4,969.78 × 2,029.78
4. Step 4: Simplify right side
   3,601.72x = 10,087,560.05
5. Step 5: Solve for x
   x = 10,087,560.05/3,601.72
6. Step 6: Final answer
   x = 2,800.76