Finding the Fourth Proportional to 3,065.72, 4,600.56 and 1,216.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.72 : 4,600.56 = 1,216.52 : x
2. Step 2: Convert to fraction form
   3,065.72/4,600.56 = 1,216.52/x
3. Step 3: Cross multiply
   3,065.72x = 4,600.56 × 1,216.52
4. Step 4: Simplify right side
   3,065.72x = 5,596,673.25
5. Step 5: Solve for x
   x = 5,596,673.25/3,065.72
6. Step 6: Final answer
   x = 1,825.57