Finding the Fourth Proportional to 8,364.80, 12,540.69 and 3,744.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,364.80 : 12,540.69 = 3,744.56 : x
2. Step 2: Convert to fraction form
   8,364.80/12,540.69 = 3,744.56/x
3. Step 3: Cross multiply
   8,364.80x = 12,540.69 × 3,744.56
4. Step 4: Simplify right side
   8,364.80x = 46,959,397.50
5. Step 5: Solve for x
   x = 46,959,397.50/8,364.80
6. Step 6: Final answer
   x = 5,613.93