Finding the Fourth Proportional to 10,960.35, 16,430.69 and 3,938.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.35 : 16,430.69 = 3,938.73 : x
2. Step 2: Convert to fraction form
   10,960.35/16,430.69 = 3,938.73/x
3. Step 3: Cross multiply
   10,960.35x = 16,430.69 × 3,938.73
4. Step 4: Simplify right side
   10,960.35x = 64,716,031.93
5. Step 5: Solve for x
   x = 64,716,031.93/10,960.35
6. Step 6: Final answer
   x = 5,904.56