Finding the Fourth Proportional to 8,093.78, 12,139.83 and 2,546.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,093.78 : 12,139.83 = 2,546.96 : x
2. Step 2: Convert to fraction form
   8,093.78/12,139.83 = 2,546.96/x
3. Step 3: Cross multiply
   8,093.78x = 12,139.83 × 2,546.96
4. Step 4: Simplify right side
   8,093.78x = 30,919,600.72
5. Step 5: Solve for x
   x = 30,919,600.72/8,093.78
6. Step 6: Final answer
   x = 3,820.17