Finding the Fourth Proportional to 3,647.89, 5,471.37 and 1,015.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.89 : 5,471.37 = 1,015.59 : x
2. Step 2: Convert to fraction form
   3,647.89/5,471.37 = 1,015.59/x
3. Step 3: Cross multiply
   3,647.89x = 5,471.37 × 1,015.59
4. Step 4: Simplify right side
   3,647.89x = 5,556,692.98
5. Step 5: Solve for x
   x = 5,556,692.98/3,647.89
6. Step 6: Final answer
   x = 1,523.26