Finding the Fourth Proportional to 3,606.30, 5,409.57 and 1,009.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.30 : 5,409.57 = 1,009.02 : x
2. Step 2: Convert to fraction form
   3,606.30/5,409.57 = 1,009.02/x
3. Step 3: Cross multiply
   3,606.30x = 5,409.57 × 1,009.02
4. Step 4: Simplify right side
   3,606.30x = 5,458,364.32
5. Step 5: Solve for x
   x = 5,458,364.32/3,606.30
6. Step 6: Final answer
   x = 1,513.56