Finding the Fourth Proportional to 10,967.68, 16,448.40 and 3,946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,967.68 : 16,448.40 = 3,946.56 : x
2. Step 2: Convert to fraction form
   10,967.68/16,448.40 = 3,946.56/x
3. Step 3: Cross multiply
   10,967.68x = 16,448.40 × 3,946.56
4. Step 4: Simplify right side
   10,967.68x = 64,914,597.50
5. Step 5: Solve for x
   x = 64,914,597.50/10,967.68
6. Step 6: Final answer
   x = 5,918.72