Finding the Fourth Proportional to 8,081.94, 12,128.97 and 3,702.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.94 : 12,128.97 = 3,702.46 : x
2. Step 2: Convert to fraction form
   8,081.94/12,128.97 = 3,702.46/x
3. Step 3: Cross multiply
   8,081.94x = 12,128.97 × 3,702.46
4. Step 4: Simplify right side
   8,081.94x = 44,907,026.27
5. Step 5: Solve for x
   x = 44,907,026.27/8,081.94
6. Step 6: Final answer
   x = 5,556.47