Finding the Fourth Proportional to 8,196.15, 12,289.89 and 3,576.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.15 : 12,289.89 = 3,576.63 : x
2. Step 2: Convert to fraction form
   8,196.15/12,289.89 = 3,576.63/x
3. Step 3: Cross multiply
   8,196.15x = 12,289.89 × 3,576.63
4. Step 4: Simplify right side
   8,196.15x = 43,956,389.27
5. Step 5: Solve for x
   x = 43,956,389.27/8,196.15
6. Step 6: Final answer
   x = 5,363.05