Finding the Fourth Proportional to 21,967.06, 32,942.31 and 7,923.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,967.06 : 32,942.31 = 7,923.34 : x
2. Step 2: Convert to fraction form
   21,967.06/32,942.31 = 7,923.34/x
3. Step 3: Cross multiply
   21,967.06x = 32,942.31 × 7,923.34
4. Step 4: Simplify right side
   21,967.06x = 261,013,122.52
5. Step 5: Solve for x
   x = 261,013,122.52/21,967.06
6. Step 6: Final answer
   x = 11,882.02