Finding the Fourth Proportional to 3,647.72, 5,471.60 and 1,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.72 : 5,471.60 = 1,050.72 : x
2. Step 2: Convert to fraction form
   3,647.72/5,471.60 = 1,050.72/x
3. Step 3: Cross multiply
   3,647.72x = 5,471.60 × 1,050.72
4. Step 4: Simplify right side
   3,647.72x = 5,749,119.55
5. Step 5: Solve for x
   x = 5,749,119.55/3,647.72
6. Step 6: Final answer
   x = 1,576.09