Finding the Fourth Proportional to 16,809, 23,196.42 and 9,737.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,809 : 23,196.42 = 9,737.70 : x
2. Step 2: Convert to fraction form
   16,809/23,196.42 = 9,737.70/x
3. Step 3: Cross multiply
   16,809x = 23,196.42 × 9,737.70
4. Step 4: Simplify right side
   16,809x = 225,879,779.03
5. Step 5: Solve for x
   x = 225,879,779.03/16,809
6. Step 6: Final answer
   x = 13,438.03