Finding the Fourth Proportional to 3,660.56, 5,491.69 and 1,063.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660.56 : 5,491.69 = 1,063.42 : x
2. Step 2: Convert to fraction form
   3,660.56/5,491.69 = 1,063.42/x
3. Step 3: Cross multiply
   3,660.56x = 5,491.69 × 1,063.42
4. Step 4: Simplify right side
   3,660.56x = 5,839,972.98
5. Step 5: Solve for x
   x = 5,839,972.98/3,660.56
6. Step 6: Final answer
   x = 1,595.38