Finding the Fourth Proportional to 4,871.40, 7,294.76 and 3,222.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,871.40 : 7,294.76 = 3,222.96 : x
2. Step 2: Convert to fraction form
   4,871.40/7,294.76 = 3,222.96/x
3. Step 3: Cross multiply
   4,871.40x = 7,294.76 × 3,222.96
4. Step 4: Simplify right side
   4,871.40x = 23,510,719.69
5. Step 5: Solve for x
   x = 23,510,719.69/4,871.40
6. Step 6: Final answer
   x = 4,826.28