Finding the Fourth Proportional to 3,609.36, 5,410.71 and 1,300.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.36 : 5,410.71 = 1,300.32 : x
2. Step 2: Convert to fraction form
   3,609.36/5,410.71 = 1,300.32/x
3. Step 3: Cross multiply
   3,609.36x = 5,410.71 × 1,300.32
4. Step 4: Simplify right side
   3,609.36x = 7,035,654.43
5. Step 5: Solve for x
   x = 7,035,654.43/3,609.36
6. Step 6: Final answer
   x = 1,949.28