Finding the Fourth Proportional to 16,920.82, 23,354.48 and 9,851.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,920.82 : 23,354.48 = 9,851.34 : x
2. Step 2: Convert to fraction form
   16,920.82/23,354.48 = 9,851.34/x
3. Step 3: Cross multiply
   16,920.82x = 23,354.48 × 9,851.34
4. Step 4: Simplify right side
   16,920.82x = 230,072,947.63
5. Step 5: Solve for x
   x = 230,072,947.63/16,920.82
6. Step 6: Final answer
   x = 13,597.03