Finding the Fourth Proportional to 3,647.70, 5,471.58 and 1,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.70 : 5,471.58 = 1,050.72 : x
2. Step 2: Convert to fraction form
   3,647.70/5,471.58 = 1,050.72/x
3. Step 3: Cross multiply
   3,647.70x = 5,471.58 × 1,050.72
4. Step 4: Simplify right side
   3,647.70x = 5,749,098.54
5. Step 5: Solve for x
   x = 5,749,098.54/3,647.70
6. Step 6: Final answer
   x = 1,576.09