Finding the Fourth Proportional to 3,636.05, 5,454.27 and 1,039.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.05 : 5,454.27 = 1,039.05 : x
2. Step 2: Convert to fraction form
   3,636.05/5,454.27 = 1,039.05/x
3. Step 3: Cross multiply
   3,636.05x = 5,454.27 × 1,039.05
4. Step 4: Simplify right side
   3,636.05x = 5,667,259.24
5. Step 5: Solve for x
   x = 5,667,259.24/3,636.05
6. Step 6: Final answer
   x = 1,558.63