Finding the Fourth Proportional to 12,846.15, 19,271.97 and 4,081.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.15 : 19,271.97 = 4,081.68 : x
2. Step 2: Convert to fraction form
   12,846.15/19,271.97 = 4,081.68/x
3. Step 3: Cross multiply
   12,846.15x = 19,271.97 × 4,081.68
4. Step 4: Simplify right side
   12,846.15x = 78,662,014.51
5. Step 5: Solve for x
   x = 78,662,014.51/12,846.15
6. Step 6: Final answer
   x = 6,123.39