Finding the Fourth Proportional to 8,065.40, 12,093.38 and 3,129.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,065.40 : 12,093.38 = 3,129.27 : x
2. Step 2: Convert to fraction form
   8,065.40/12,093.38 = 3,129.27/x
3. Step 3: Cross multiply
   8,065.40x = 12,093.38 × 3,129.27
4. Step 4: Simplify right side
   8,065.40x = 37,843,390.77
5. Step 5: Solve for x
   x = 37,843,390.77/8,065.40
6. Step 6: Final answer
   x = 4,692.07