Finding the Fourth Proportional to 21,389.23, 32,061.23 and 8,056.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,389.23 : 32,061.23 = 8,056.46 : x
2. Step 2: Convert to fraction form
   21,389.23/32,061.23 = 8,056.46/x
3. Step 3: Cross multiply
   21,389.23x = 32,061.23 × 8,056.46
4. Step 4: Simplify right side
   21,389.23x = 258,299,936.69
5. Step 5: Solve for x
   x = 258,299,936.69/21,389.23
6. Step 6: Final answer
   x = 12,076.17