Finding the Fourth Proportional to 3,477.76, 5,217.41 and 1,012.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477.76 : 5,217.41 = 1,012.37 : x
2. Step 2: Convert to fraction form
   3,477.76/5,217.41 = 1,012.37/x
3. Step 3: Cross multiply
   3,477.76x = 5,217.41 × 1,012.37
4. Step 4: Simplify right side
   3,477.76x = 5,281,969.83
5. Step 5: Solve for x
   x = 5,281,969.83/3,477.76
6. Step 6: Final answer
   x = 1,518.78