Finding the Fourth Proportional to 3,636.06, 5,453.88 and 1,039.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.06 : 5,453.88 = 1,039.02 : x
2. Step 2: Convert to fraction form
   3,636.06/5,453.88 = 1,039.02/x
3. Step 3: Cross multiply
   3,636.06x = 5,453.88 × 1,039.02
4. Step 4: Simplify right side
   3,636.06x = 5,666,690.40
5. Step 5: Solve for x
   x = 5,666,690.40/3,636.06
6. Step 6: Final answer
   x = 1,558.47