Finding the Fourth Proportional to 9,362.50, 12,920.34 and 5,171.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.50 : 12,920.34 = 5,171.02 : x
2. Step 2: Convert to fraction form
   9,362.50/12,920.34 = 5,171.02/x
3. Step 3: Cross multiply
   9,362.50x = 12,920.34 × 5,171.02
4. Step 4: Simplify right side
   9,362.50x = 66,811,336.55
5. Step 5: Solve for x
   x = 66,811,336.55/9,362.50
6. Step 6: Final answer
   x = 7,136.06