Finding the Fourth Proportional to 12,323.38, 17,009.32 and 7,021.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,323.38 : 17,009.32 = 7,021.34 : x
2. Step 2: Convert to fraction form
   12,323.38/17,009.32 = 7,021.34/x
3. Step 3: Cross multiply
   12,323.38x = 17,009.32 × 7,021.34
4. Step 4: Simplify right side
   12,323.38x = 119,428,218.89
5. Step 5: Solve for x
   x = 119,428,218.89/12,323.38
6. Step 6: Final answer
   x = 9,691.19