Finding the Fourth Proportional to 7,217.71, 10,830.00 and 3,930.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,217.71 : 10,830.00 = 3,930.73 : x
2. Step 2: Convert to fraction form
   7,217.71/10,830.00 = 3,930.73/x
3. Step 3: Cross multiply
   7,217.71x = 10,830.00 × 3,930.73
4. Step 4: Simplify right side
   7,217.71x = 42,569,793.57
5. Step 5: Solve for x
   x = 42,569,793.57/7,217.71
6. Step 6: Final answer
   x = 5,897.97