Finding the Fourth Proportional to 8,908.27, 12,293.77 and 4,929.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,908.27 : 12,293.77 = 4,929.31 : x
2. Step 2: Convert to fraction form
   8,908.27/12,293.77 = 4,929.31/x
3. Step 3: Cross multiply
   8,908.27x = 12,293.77 × 4,929.31
4. Step 4: Simplify right side
   8,908.27x = 60,599,803.40
5. Step 5: Solve for x
   x = 60,599,803.40/8,908.27
6. Step 6: Final answer
   x = 6,802.65