Finding the Fourth Proportional to 10,900.92, 16,351.59 and 3,109.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.92 : 16,351.59 = 3,109.92 : x
2. Step 2: Convert to fraction form
   10,900.92/16,351.59 = 3,109.92/x
3. Step 3: Cross multiply
   10,900.92x = 16,351.59 × 3,109.92
4. Step 4: Simplify right side
   10,900.92x = 50,852,136.77
5. Step 5: Solve for x
   x = 50,852,136.77/10,900.92
6. Step 6: Final answer
   x = 4,664.94