Finding the Fourth Proportional to 4,789.94, 7,185.51 and 1,830.20

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.94 : 7,185.51 = 1,830.20 : x
2. Step 2: Convert to fraction form
   4,789.94/7,185.51 = 1,830.20/x
3. Step 3: Cross multiply
   4,789.94x = 7,185.51 × 1,830.20
4. Step 4: Simplify right side
   4,789.94x = 13,150,884.47
5. Step 5: Solve for x
   x = 13,150,884.47/4,789.94
6. Step 6: Final answer
   x = 2,745.52