Finding the Fourth Proportional to 8,743.58, 13,120.83 and 3,549.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,743.58 : 13,120.83 = 3,549.45 : x
2. Step 2: Convert to fraction form
   8,743.58/13,120.83 = 3,549.45/x
3. Step 3: Cross multiply
   8,743.58x = 13,120.83 × 3,549.45
4. Step 4: Simplify right side
   8,743.58x = 46,571,730.04
5. Step 5: Solve for x
   x = 46,571,730.04/8,743.58
6. Step 6: Final answer
   x = 5,326.39