Finding the Fourth Proportional to 12,628.19, 17,427.56 and 7,323.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,628.19 : 17,427.56 = 7,323.10 : x
2. Step 2: Convert to fraction form
   12,628.19/17,427.56 = 7,323.10/x
3. Step 3: Cross multiply
   12,628.19x = 17,427.56 × 7,323.10
4. Step 4: Simplify right side
   12,628.19x = 127,623,684.45
5. Step 5: Solve for x
   x = 127,623,684.45/12,628.19
6. Step 6: Final answer
   x = 10,106.25