Finding the Fourth Proportional to 12,377.49, 17,080.97 and 7,072.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.49 : 17,080.97 = 7,072.29 : x
2. Step 2: Convert to fraction form
   12,377.49/17,080.97 = 7,072.29/x
3. Step 3: Cross multiply
   12,377.49x = 17,080.97 × 7,072.29
4. Step 4: Simplify right side
   12,377.49x = 120,801,573.32
5. Step 5: Solve for x
   x = 120,801,573.32/12,377.49
6. Step 6: Final answer
   x = 9,759.78