Finding the Fourth Proportional to 3,388.28, 5,081.51 and 1,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.28 : 5,081.51 = 1,196.72 : x
2. Step 2: Convert to fraction form
   3,388.28/5,081.51 = 1,196.72/x
3. Step 3: Cross multiply
   3,388.28x = 5,081.51 × 1,196.72
4. Step 4: Simplify right side
   3,388.28x = 6,081,144.65
5. Step 5: Solve for x
   x = 6,081,144.65/3,388.28
6. Step 6: Final answer
   x = 1,794.76