Finding the Fourth Proportional to 21,380.10, 32,061.96 and 8,225.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,380.10 : 32,061.96 = 8,225.34 : x
2. Step 2: Convert to fraction form
   21,380.10/32,061.96 = 8,225.34/x
3. Step 3: Cross multiply
   21,380.10x = 32,061.96 × 8,225.34
4. Step 4: Simplify right side
   21,380.10x = 263,720,522.07
5. Step 5: Solve for x
   x = 263,720,522.07/21,380.10
6. Step 6: Final answer
   x = 12,334.86