Finding the Fourth Proportional to 16,145.94, 24,222.42 and 6,780.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.94 : 24,222.42 = 6,780.62 : x
2. Step 2: Convert to fraction form
   16,145.94/24,222.42 = 6,780.62/x
3. Step 3: Cross multiply
   16,145.94x = 24,222.42 × 6,780.62
4. Step 4: Simplify right side
   16,145.94x = 164,242,904.39
5. Step 5: Solve for x
   x = 164,242,904.39/16,145.94
6. Step 6: Final answer
   x = 10,172.40