Finding the Fourth Proportional to 12,729.67, 17,566.69 and 7,064.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,729.67 : 17,566.69 = 7,064.38 : x
2. Step 2: Convert to fraction form
   12,729.67/17,566.69 = 7,064.38/x
3. Step 3: Cross multiply
   12,729.67x = 17,566.69 × 7,064.38
4. Step 4: Simplify right side
   12,729.67x = 124,097,791.05
5. Step 5: Solve for x
   x = 124,097,791.05/12,729.67
6. Step 6: Final answer
   x = 9,748.70