Finding the Fourth Proportional to 8,118.76, 12,174.52 and 3,184.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,118.76 : 12,174.52 = 3,184.60 : x
2. Step 2: Convert to fraction form
   8,118.76/12,174.52 = 3,184.60/x
3. Step 3: Cross multiply
   8,118.76x = 12,174.52 × 3,184.60
4. Step 4: Simplify right side
   8,118.76x = 38,770,976.39
5. Step 5: Solve for x
   x = 38,770,976.39/8,118.76
6. Step 6: Final answer
   x = 4,775.48