Finding the Fourth Proportional to 16,899.76, 23,313.91 and 10,933.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899.76 : 23,313.91 = 10,933.35 : x
2. Step 2: Convert to fraction form
   16,899.76/23,313.91 = 10,933.35/x
3. Step 3: Cross multiply
   16,899.76x = 23,313.91 × 10,933.35
4. Step 4: Simplify right side
   16,899.76x = 254,899,137.90
5. Step 5: Solve for x
   x = 254,899,137.90/16,899.76
6. Step 6: Final answer
   x = 15,083.00