Finding the Fourth Proportional to 16,855.82, 23,251.01 and 10,891.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,855.82 : 23,251.01 = 10,891.01 : x
2. Step 2: Convert to fraction form
   16,855.82/23,251.01 = 10,891.01/x
3. Step 3: Cross multiply
   16,855.82x = 23,251.01 × 10,891.01
4. Step 4: Simplify right side
   16,855.82x = 253,226,866.17
5. Step 5: Solve for x
   x = 253,226,866.17/16,855.82
6. Step 6: Final answer
   x = 15,023.11