Finding the Fourth Proportional to 7,020.56, 9,688.34 and 3,876.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,020.56 : 9,688.34 = 3,876.73 : x
2. Step 2: Convert to fraction form
   7,020.56/9,688.34 = 3,876.73/x
3. Step 3: Cross multiply
   7,020.56x = 9,688.34 × 3,876.73
4. Step 4: Simplify right side
   7,020.56x = 37,559,078.33
5. Step 5: Solve for x
   x = 37,559,078.33/7,020.56
6. Step 6: Final answer
   x = 5,349.87