Finding the Fourth Proportional to 8,770.48, 13,155.41 and 2,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.48 : 13,155.41 = 2,196.72 : x
2. Step 2: Convert to fraction form
   8,770.48/13,155.41 = 2,196.72/x
3. Step 3: Cross multiply
   8,770.48x = 13,155.41 × 2,196.72
4. Step 4: Simplify right side
   8,770.48x = 28,898,757.75
5. Step 5: Solve for x
   x = 28,898,757.75/8,770.48
6. Step 6: Final answer
   x = 3,295.00