Finding the Fourth Proportional to 12,681.98, 17,502.09 and 7,306.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,681.98 : 17,502.09 = 7,306.07 : x
2. Step 2: Convert to fraction form
   12,681.98/17,502.09 = 7,306.07/x
3. Step 3: Cross multiply
   12,681.98x = 17,502.09 × 7,306.07
4. Step 4: Simplify right side
   12,681.98x = 127,871,494.69
5. Step 5: Solve for x
   x = 127,871,494.69/12,681.98
6. Step 6: Final answer
   x = 10,082.93