Finding the Fourth Proportional to 12,664.18, 17,476.23 and 7,075.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,664.18 : 17,476.23 = 7,075.18 : x
2. Step 2: Convert to fraction form
   12,664.18/17,476.23 = 7,075.18/x
3. Step 3: Cross multiply
   12,664.18x = 17,476.23 × 7,075.18
4. Step 4: Simplify right side
   12,664.18x = 123,647,472.97
5. Step 5: Solve for x
   x = 123,647,472.97/12,664.18
6. Step 6: Final answer
   x = 9,763.56