Finding the Fourth Proportional to 8,929.26, 12,314.88 and 5,743.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.26 : 12,314.88 = 5,743.08 : x
2. Step 2: Convert to fraction form
   8,929.26/12,314.88 = 5,743.08/x
3. Step 3: Cross multiply
   8,929.26x = 12,314.88 × 5,743.08
4. Step 4: Simplify right side
   8,929.26x = 70,725,341.03
5. Step 5: Solve for x
   x = 70,725,341.03/8,929.26
6. Step 6: Final answer
   x = 7,920.63