Finding the Fourth Proportional to 12,628.98, 17,426.01 and 7,322.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,628.98 : 17,426.01 = 7,322.70 : x
2. Step 2: Convert to fraction form
   12,628.98/17,426.01 = 7,322.70/x
3. Step 3: Cross multiply
   12,628.98x = 17,426.01 × 7,322.70
4. Step 4: Simplify right side
   12,628.98x = 127,605,443.43
5. Step 5: Solve for x
   x = 127,605,443.43/12,628.98
6. Step 6: Final answer
   x = 10,104.18