Finding the Fourth Proportional to 3,477.67, 5,217.27 and 1,012.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477.67 : 5,217.27 = 1,012.60 : x
2. Step 2: Convert to fraction form
   3,477.67/5,217.27 = 1,012.60/x
3. Step 3: Cross multiply
   3,477.67x = 5,217.27 × 1,012.60
4. Step 4: Simplify right side
   3,477.67x = 5,283,007.60
5. Step 5: Solve for x
   x = 5,283,007.60/3,477.67
6. Step 6: Final answer
   x = 1,519.12