Finding the Fourth Proportional to 5,150.89, 7,105.60 and 3,259.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.89 : 7,105.60 = 3,259.28 : x
2. Step 2: Convert to fraction form
   5,150.89/7,105.60 = 3,259.28/x
3. Step 3: Cross multiply
   5,150.89x = 7,105.60 × 3,259.28
4. Step 4: Simplify right side
   5,150.89x = 23,159,139.97
5. Step 5: Solve for x
   x = 23,159,139.97/5,150.89
6. Step 6: Final answer
   x = 4,496.14