Finding the Fourth Proportional to 15,064.72, 20,788.68 and 8,258.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,064.72 : 20,788.68 = 8,258.59 : x
2. Step 2: Convert to fraction form
   15,064.72/20,788.68 = 8,258.59/x
3. Step 3: Cross multiply
   15,064.72x = 20,788.68 × 8,258.59
4. Step 4: Simplify right side
   15,064.72x = 171,685,241.72
5. Step 5: Solve for x
   x = 171,685,241.72/15,064.72
6. Step 6: Final answer
   x = 11,396.51