Finding the Fourth Proportional to 12,409.98, 17,126.52 and 7,104.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,409.98 : 17,126.52 = 7,104.69 : x
2. Step 2: Convert to fraction form
   12,409.98/17,126.52 = 7,104.69/x
3. Step 3: Cross multiply
   12,409.98x = 17,126.52 × 7,104.69
4. Step 4: Simplify right side
   12,409.98x = 121,678,615.38
5. Step 5: Solve for x
   x = 121,678,615.38/12,409.98
6. Step 6: Final answer
   x = 9,804.90