Finding the Fourth Proportional to 5,196.54, 7,177.17 and 3,786.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.54 : 7,177.17 = 3,786.55 : x
2. Step 2: Convert to fraction form
   5,196.54/7,177.17 = 3,786.55/x
3. Step 3: Cross multiply
   5,196.54x = 7,177.17 × 3,786.55
4. Step 4: Simplify right side
   5,196.54x = 27,176,713.06
5. Step 5: Solve for x
   x = 27,176,713.06/5,196.54
6. Step 6: Final answer
   x = 5,229.77