Finding the Fourth Proportional to 7,171.47, 10,758.54 and 3,222.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,171.47 : 10,758.54 = 3,222.63 : x
2. Step 2: Convert to fraction form
   7,171.47/10,758.54 = 3,222.63/x
3. Step 3: Cross multiply
   7,171.47x = 10,758.54 × 3,222.63
4. Step 4: Simplify right side
   7,171.47x = 34,670,793.76
5. Step 5: Solve for x
   x = 34,670,793.76/7,171.47
6. Step 6: Final answer
   x = 4,834.54