Finding the Fourth Proportional to 12,628.46, 17,423.42 and 7,322.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,628.46 : 17,423.42 = 7,322.22 : x
2. Step 2: Convert to fraction form
   12,628.46/17,423.42 = 7,322.22/x
3. Step 3: Cross multiply
   12,628.46x = 17,423.42 × 7,322.22
4. Step 4: Simplify right side
   12,628.46x = 127,578,077.78
5. Step 5: Solve for x
   x = 127,578,077.78/12,628.46
6. Step 6: Final answer
   x = 10,102.42