Finding the Fourth Proportional to 5,143.22, 7,705.87 and 3,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.22 : 7,705.87 = 3,196.82 : x
2. Step 2: Convert to fraction form
   5,143.22/7,705.87 = 3,196.82/x
3. Step 3: Cross multiply
   5,143.22x = 7,705.87 × 3,196.82
4. Step 4: Simplify right side
   5,143.22x = 24,634,279.33
5. Step 5: Solve for x
   x = 24,634,279.33/5,143.22
6. Step 6: Final answer
   x = 4,789.66