Finding the Fourth Proportional to 3,648.43, 5,471.70 and 1,050.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.43 : 5,471.70 = 1,050.76 : x
2. Step 2: Convert to fraction form
   3,648.43/5,471.70 = 1,050.76/x
3. Step 3: Cross multiply
   3,648.43x = 5,471.70 × 1,050.76
4. Step 4: Simplify right side
   3,648.43x = 5,749,443.49
5. Step 5: Solve for x
   x = 5,749,443.49/3,648.43
6. Step 6: Final answer
   x = 1,575.87