Finding the Fourth Proportional to 16,687.82, 23,026.38 and 9,976.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,687.82 : 23,026.38 = 9,976.16 : x
2. Step 2: Convert to fraction form
   16,687.82/23,026.38 = 9,976.16/x
3. Step 3: Cross multiply
   16,687.82x = 23,026.38 × 9,976.16
4. Step 4: Simplify right side
   16,687.82x = 229,714,851.10
5. Step 5: Solve for x
   x = 229,714,851.10/16,687.82
6. Step 6: Final answer
   x = 13,765.42