Finding the Fourth Proportional to 10,904.96, 16,361.76 and 3,984.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.96 : 16,361.76 = 3,984.32 : x
2. Step 2: Convert to fraction form
   10,904.96/16,361.76 = 3,984.32/x
3. Step 3: Cross multiply
   10,904.96x = 16,361.76 × 3,984.32
4. Step 4: Simplify right side
   10,904.96x = 65,190,487.60
5. Step 5: Solve for x
   x = 65,190,487.60/10,904.96
6. Step 6: Final answer
   x = 5,978.06