Finding the Fourth Proportional to 16,992.78, 23,451.15 and 10,278.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,992.78 : 23,451.15 = 10,278.69 : x
2. Step 2: Convert to fraction form
   16,992.78/23,451.15 = 10,278.69/x
3. Step 3: Cross multiply
   16,992.78x = 23,451.15 × 10,278.69
4. Step 4: Simplify right side
   16,992.78x = 241,047,100.99
5. Step 5: Solve for x
   x = 241,047,100.99/16,992.78
6. Step 6: Final answer
   x = 14,185.27