Finding the Fourth Proportional to 6,863.56, 9,471.72 and 3,719.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,863.56 : 9,471.72 = 3,719.73 : x
2. Step 2: Convert to fraction form
   6,863.56/9,471.72 = 3,719.73/x
3. Step 3: Cross multiply
   6,863.56x = 9,471.72 × 3,719.73
4. Step 4: Simplify right side
   6,863.56x = 35,232,241.04
5. Step 5: Solve for x
   x = 35,232,241.04/6,863.56
6. Step 6: Final answer
   x = 5,133.23