Finding the Fourth Proportional to 16,874.96, 23,287.77 and 10,917.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,874.96 : 23,287.77 = 10,917.02 : x
2. Step 2: Convert to fraction form
   16,874.96/23,287.77 = 10,917.02/x
3. Step 3: Cross multiply
   16,874.96x = 23,287.77 × 10,917.02
4. Step 4: Simplify right side
   16,874.96x = 254,233,109.06
5. Step 5: Solve for x
   x = 254,233,109.06/16,874.96
6. Step 6: Final answer
   x = 15,065.71