Finding the Fourth Proportional to 10,659.36, 15,989.82 and 3,636.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,659.36 : 15,989.82 = 3,636.54 : x
2. Step 2: Convert to fraction form
   10,659.36/15,989.82 = 3,636.54/x
3. Step 3: Cross multiply
   10,659.36x = 15,989.82 × 3,636.54
4. Step 4: Simplify right side
   10,659.36x = 58,147,620.02
5. Step 5: Solve for x
   x = 58,147,620.02/10,659.36
6. Step 6: Final answer
   x = 5,455.08