Finding the Fourth Proportional to 4,789.04, 7,179.90 and 4,300.62

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.04 : 7,179.90 = 4,300.62 : x
2. Step 2: Convert to fraction form
   4,789.04/7,179.90 = 4,300.62/x
3. Step 3: Cross multiply
   4,789.04x = 7,179.90 × 4,300.62
4. Step 4: Simplify right side
   4,789.04x = 30,878,021.54
5. Step 5: Solve for x
   x = 30,878,021.54/4,789.04
6. Step 6: Final answer
   x = 6,447.64