Finding the Fourth Proportional to 12,450.89, 17,175.54 and 7,969.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,450.89 : 17,175.54 = 7,969.82 : x
2. Step 2: Convert to fraction form
   12,450.89/17,175.54 = 7,969.82/x
3. Step 3: Cross multiply
   12,450.89x = 17,175.54 × 7,969.82
4. Step 4: Simplify right side
   12,450.89x = 136,885,876.33
5. Step 5: Solve for x
   x = 136,885,876.33/12,450.89
6. Step 6: Final answer
   x = 10,994.07