Finding the Fourth Proportional to 12,626.38, 17,417.28 and 7,902.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.38 : 17,417.28 = 7,902.46 : x
2. Step 2: Convert to fraction form
   12,626.38/17,417.28 = 7,902.46/x
3. Step 3: Cross multiply
   12,626.38x = 17,417.28 × 7,902.46
4. Step 4: Simplify right side
   12,626.38x = 137,639,365.46
5. Step 5: Solve for x
   x = 137,639,365.46/12,626.38
6. Step 6: Final answer
   x = 10,900.94