Finding the Fourth Proportional to 16,680.96, 23,018.87 and 9,125.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,680.96 : 23,018.87 = 9,125.82 : x
2. Step 2: Convert to fraction form
   16,680.96/23,018.87 = 9,125.82/x
3. Step 3: Cross multiply
   16,680.96x = 23,018.87 × 9,125.82
4. Step 4: Simplify right side
   16,680.96x = 210,066,018.59
5. Step 5: Solve for x
   x = 210,066,018.59/16,680.96
6. Step 6: Final answer
   x = 12,593.16