Finding the Fourth Proportional to 5,258.50, 7,256.72 and 3,020.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258.50 : 7,256.72 = 3,020.51 : x
2. Step 2: Convert to fraction form
   5,258.50/7,256.72 = 3,020.51/x
3. Step 3: Cross multiply
   5,258.50x = 7,256.72 × 3,020.51
4. Step 4: Simplify right side
   5,258.50x = 21,919,021.02
5. Step 5: Solve for x
   x = 21,919,021.02/5,258.50
6. Step 6: Final answer
   x = 4,168.30