Finding the Fourth Proportional to 12,806.98, 17,674.17 and 7,501.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,806.98 : 17,674.17 = 7,501.06 : x
2. Step 2: Convert to fraction form
   12,806.98/17,674.17 = 7,501.06/x
3. Step 3: Cross multiply
   12,806.98x = 17,674.17 × 7,501.06
4. Step 4: Simplify right side
   12,806.98x = 132,575,009.62
5. Step 5: Solve for x
   x = 132,575,009.62/12,806.98
6. Step 6: Final answer
   x = 10,351.78