Finding the Fourth Proportional to 8,093.82, 12,139.86 and 2,171.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,093.82 : 12,139.86 = 2,171.30 : x
2. Step 2: Convert to fraction form
   8,093.82/12,139.86 = 2,171.30/x
3. Step 3: Cross multiply
   8,093.82x = 12,139.86 × 2,171.30
4. Step 4: Simplify right side
   8,093.82x = 26,359,278.02
5. Step 5: Solve for x
   x = 26,359,278.02/8,093.82
6. Step 6: Final answer
   x = 3,256.72