Finding the Fourth Proportional to 3,648.18, 5,471.33 and 1,050.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.18 : 5,471.33 = 1,050.51 : x
2. Step 2: Convert to fraction form
   3,648.18/5,471.33 = 1,050.51/x
3. Step 3: Cross multiply
   3,648.18x = 5,471.33 × 1,050.51
4. Step 4: Simplify right side
   3,648.18x = 5,747,681.63
5. Step 5: Solve for x
   x = 5,747,681.63/3,648.18
6. Step 6: Final answer
   x = 1,575.49