Finding the Fourth Proportional to 12,371.49, 17,075.79 and 7,069.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.49 : 17,075.79 = 7,069.43 : x
2. Step 2: Convert to fraction form
   12,371.49/17,075.79 = 7,069.43/x
3. Step 3: Cross multiply
   12,371.49x = 17,075.79 × 7,069.43
4. Step 4: Simplify right side
   12,371.49x = 120,716,016.72
5. Step 5: Solve for x
   x = 120,716,016.72/12,371.49
6. Step 6: Final answer
   x = 9,757.60