Finding the Fourth Proportional to 5,336.56, 7,364.88 and 2,979.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.56 : 7,364.88 = 2,979.28 : x
2. Step 2: Convert to fraction form
   5,336.56/7,364.88 = 2,979.28/x
3. Step 3: Cross multiply
   5,336.56x = 7,364.88 × 2,979.28
4. Step 4: Simplify right side
   5,336.56x = 21,942,039.69
5. Step 5: Solve for x
   x = 21,942,039.69/5,336.56
6. Step 6: Final answer
   x = 4,111.64