Finding the Fourth Proportional to 6,863.40, 9,471.53 and 3,719.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,863.40 : 9,471.53 = 3,719.59 : x
2. Step 2: Convert to fraction form
   6,863.40/9,471.53 = 3,719.59/x
3. Step 3: Cross multiply
   6,863.40x = 9,471.53 × 3,719.59
4. Step 4: Simplify right side
   6,863.40x = 35,230,193.89
5. Step 5: Solve for x
   x = 35,230,193.89/6,863.40
6. Step 6: Final answer
   x = 5,133.05