Finding the Fourth Proportional to 10,809, 16,192.52 and 7,099.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,809 : 16,192.52 = 7,099.98 : x
2. Step 2: Convert to fraction form
   10,809/16,192.52 = 7,099.98/x
3. Step 3: Cross multiply
   10,809x = 16,192.52 × 7,099.98
4. Step 4: Simplify right side
   10,809x = 114,966,487.19
5. Step 5: Solve for x
   x = 114,966,487.19/10,809
6. Step 6: Final answer
   x = 10,636.18