Finding the Fourth Proportional to 15,196.86, 22,800.15 and 8,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,196.86 : 22,800.15 = 8,266.50 : x
2. Step 2: Convert to fraction form
   15,196.86/22,800.15 = 8,266.50/x
3. Step 3: Cross multiply
   15,196.86x = 22,800.15 × 8,266.50
4. Step 4: Simplify right side
   15,196.86x = 188,477,439.98
5. Step 5: Solve for x
   x = 188,477,439.98/15,196.86
6. Step 6: Final answer
   x = 12,402.39