Finding the Fourth Proportional to 3,648.46, 5,472.96 and 1,051.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.46 : 5,472.96 = 1,051.42 : x
2. Step 2: Convert to fraction form
   3,648.46/5,472.96 = 1,051.42/x
3. Step 3: Cross multiply
   3,648.46x = 5,472.96 × 1,051.42
4. Step 4: Simplify right side
   3,648.46x = 5,754,379.60
5. Step 5: Solve for x
   x = 5,754,379.60/3,648.46
6. Step 6: Final answer
   x = 1,577.21