Finding the Fourth Proportional to 3,606.73, 5,409.49 and 1,009.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.73 : 5,409.49 = 1,009.06 : x
2. Step 2: Convert to fraction form
   3,606.73/5,409.49 = 1,009.06/x
3. Step 3: Cross multiply
   3,606.73x = 5,409.49 × 1,009.06
4. Step 4: Simplify right side
   3,606.73x = 5,458,499.98
5. Step 5: Solve for x
   x = 5,458,499.98/3,606.73
6. Step 6: Final answer
   x = 1,513.42