Finding the Fourth Proportional to 7,964.26, 10,981.82 and 5,446.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,964.26 : 10,981.82 = 5,446.78 : x
2. Step 2: Convert to fraction form
   7,964.26/10,981.82 = 5,446.78/x
3. Step 3: Cross multiply
   7,964.26x = 10,981.82 × 5,446.78
4. Step 4: Simplify right side
   7,964.26x = 59,815,557.54
5. Step 5: Solve for x
   x = 59,815,557.54/7,964.26
6. Step 6: Final answer
   x = 7,510.50