Finding the Fourth Proportional to 3,602.80, 5,404.50 and 1,005.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,602.80 : 5,404.50 = 1,005.73 : x
2. Step 2: Convert to fraction form
   3,602.80/5,404.50 = 1,005.73/x
3. Step 3: Cross multiply
   3,602.80x = 5,404.50 × 1,005.73
4. Step 4: Simplify right side
   3,602.80x = 5,435,467.79
5. Step 5: Solve for x
   x = 5,435,467.79/3,602.80
6. Step 6: Final answer
   x = 1,508.68