Finding the Fourth Proportional to 8,951.80, 13,417.98 and 3,105.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,951.80 : 13,417.98 = 3,105.22 : x
2. Step 2: Convert to fraction form
   8,951.80/13,417.98 = 3,105.22/x
3. Step 3: Cross multiply
   8,951.80x = 13,417.98 × 3,105.22
4. Step 4: Simplify right side
   8,951.80x = 41,665,779.86
5. Step 5: Solve for x
   x = 41,665,779.86/8,951.80
6. Step 6: Final answer
   x = 4,654.46