Finding the Fourth Proportional to 5,214.73, 7,196.41 and 2,856.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,214.73 : 7,196.41 = 2,856.71 : x
2. Step 2: Convert to fraction form
   5,214.73/7,196.41 = 2,856.71/x
3. Step 3: Cross multiply
   5,214.73x = 7,196.41 × 2,856.71
4. Step 4: Simplify right side
   5,214.73x = 20,558,056.41
5. Step 5: Solve for x
   x = 20,558,056.41/5,214.73
6. Step 6: Final answer
   x = 3,942.31