Finding the Fourth Proportional to 12,323.28, 17,004.16 and 7,018.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,323.28 : 17,004.16 = 7,018.20 : x
2. Step 2: Convert to fraction form
   12,323.28/17,004.16 = 7,018.20/x
3. Step 3: Cross multiply
   12,323.28x = 17,004.16 × 7,018.20
4. Step 4: Simplify right side
   12,323.28x = 119,338,595.71
5. Step 5: Solve for x
   x = 119,338,595.71/12,323.28
6. Step 6: Final answer
   x = 9,684.00