Finding the Fourth Proportional to 4,869.28, 7,300.72 and 1,747.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,869.28 : 7,300.72 = 1,747.72 : x
2. Step 2: Convert to fraction form
   4,869.28/7,300.72 = 1,747.72/x
3. Step 3: Cross multiply
   4,869.28x = 7,300.72 × 1,747.72
4. Step 4: Simplify right side
   4,869.28x = 12,759,614.36
5. Step 5: Solve for x
   x = 12,759,614.36/4,869.28
6. Step 6: Final answer
   x = 2,620.43