Finding the Fourth Proportional to 16,800.96, 23,185.92 and 10,087.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,800.96 : 23,185.92 = 10,087.68 : x
2. Step 2: Convert to fraction form
   16,800.96/23,185.92 = 10,087.68/x
3. Step 3: Cross multiply
   16,800.96x = 23,185.92 × 10,087.68
4. Step 4: Simplify right side
   16,800.96x = 233,892,141.47
5. Step 5: Solve for x
   x = 233,892,141.47/16,800.96
6. Step 6: Final answer
   x = 13,921.36