Finding the Fourth Proportional to 13,041.26, 17,996.78 and 7,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,041.26 : 17,996.78 = 7,072.82 : x
2. Step 2: Convert to fraction form
   13,041.26/17,996.78 = 7,072.82/x
3. Step 3: Cross multiply
   13,041.26x = 17,996.78 × 7,072.82
4. Step 4: Simplify right side
   13,041.26x = 127,287,985.52
5. Step 5: Solve for x
   x = 127,287,985.52/13,041.26
6. Step 6: Final answer
   x = 9,760.41