Finding the Fourth Proportional to 16,477.98, 22,737.42 and 9,307.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.98 : 22,737.42 = 9,307.86 : x
2. Step 2: Convert to fraction form
   16,477.98/22,737.42 = 9,307.86/x
3. Step 3: Cross multiply
   16,477.98x = 22,737.42 × 9,307.86
4. Step 4: Simplify right side
   16,477.98x = 211,636,722.12
5. Step 5: Solve for x
   x = 211,636,722.12/16,477.98
6. Step 6: Final answer
   x = 12,843.61