Finding the Fourth Proportional to 10,745.38, 14,829.69 and 7,215.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,745.38 : 14,829.69 = 7,215.94 : x
2. Step 2: Convert to fraction form
   10,745.38/14,829.69 = 7,215.94/x
3. Step 3: Cross multiply
   10,745.38x = 14,829.69 × 7,215.94
4. Step 4: Simplify right side
   10,745.38x = 107,010,153.26
5. Step 5: Solve for x
   x = 107,010,153.26/10,745.38
6. Step 6: Final answer
   x = 9,958.71