Finding the Fourth Proportional to 3,486.72, 5,227.52 and 3,266.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,486.72 : 5,227.52 = 3,266.56 : x
2. Step 2: Convert to fraction form
   3,486.72/5,227.52 = 3,266.56/x
3. Step 3: Cross multiply
   3,486.72x = 5,227.52 × 3,266.56
4. Step 4: Simplify right side
   3,486.72x = 17,076,007.73
5. Step 5: Solve for x
   x = 17,076,007.73/3,486.72
6. Step 6: Final answer
   x = 4,897.44