Finding the Fourth Proportional to 10,926.46, 16,393.13 and 3,906.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,926.46 : 16,393.13 = 3,906.32 : x
2. Step 2: Convert to fraction form
   10,926.46/16,393.13 = 3,906.32/x
3. Step 3: Cross multiply
   10,926.46x = 16,393.13 × 3,906.32
4. Step 4: Simplify right side
   10,926.46x = 64,036,724.73
5. Step 5: Solve for x
   x = 64,036,724.73/10,926.46
6. Step 6: Final answer
   x = 5,860.70