Finding the Fourth Proportional to 8,929.81, 13,393.76 and 3,665.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.81 : 13,393.76 = 3,665.37 : x
2. Step 2: Convert to fraction form
   8,929.81/13,393.76 = 3,665.37/x
3. Step 3: Cross multiply
   8,929.81x = 13,393.76 × 3,665.37
4. Step 4: Simplify right side
   8,929.81x = 49,093,111.25
5. Step 5: Solve for x
   x = 49,093,111.25/8,929.81
6. Step 6: Final answer
   x = 5,497.67