Finding the Fourth Proportional to 12,610.50, 17,402.49 and 7,022.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.50 : 17,402.49 = 7,022.82 : x
2. Step 2: Convert to fraction form
   12,610.50/17,402.49 = 7,022.82/x
3. Step 3: Cross multiply
   12,610.50x = 17,402.49 × 7,022.82
4. Step 4: Simplify right side
   12,610.50x = 122,214,554.82
5. Step 5: Solve for x
   x = 122,214,554.82/12,610.50
6. Step 6: Final answer
   x = 9,691.49