Finding the Fourth Proportional to 15,019.05, 22,513.85 and 8,358.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,019.05 : 22,513.85 = 8,358.72 : x
2. Step 2: Convert to fraction form
   15,019.05/22,513.85 = 8,358.72/x
3. Step 3: Cross multiply
   15,019.05x = 22,513.85 × 8,358.72
4. Step 4: Simplify right side
   15,019.05x = 188,186,968.27
5. Step 5: Solve for x
   x = 188,186,968.27/15,019.05
6. Step 6: Final answer
   x = 12,529.88