Finding the Fourth Proportional to 3,926.35, 5,420.94 and 3,510.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926.35 : 5,420.94 = 3,510.82 : x
2. Step 2: Convert to fraction form
   3,926.35/5,420.94 = 3,510.82/x
3. Step 3: Cross multiply
   3,926.35x = 5,420.94 × 3,510.82
4. Step 4: Simplify right side
   3,926.35x = 19,031,944.57
5. Step 5: Solve for x
   x = 19,031,944.57/3,926.35
6. Step 6: Final answer
   x = 4,847.24