Finding the Fourth Proportional to 4,799.05, 7,189.26 and 3,150.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,799.05 : 7,189.26 = 3,150.60 : x
2. Step 2: Convert to fraction form
   4,799.05/7,189.26 = 3,150.60/x
3. Step 3: Cross multiply
   4,799.05x = 7,189.26 × 3,150.60
4. Step 4: Simplify right side
   4,799.05x = 22,650,443.78
5. Step 5: Solve for x
   x = 22,650,443.78/4,799.05
6. Step 6: Final answer
   x = 4,719.78