Finding the Fourth Proportional to 21,706.32, 32,563.38 and 7,674.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,706.32 : 32,563.38 = 7,674.49 : x
2. Step 2: Convert to fraction form
   21,706.32/32,563.38 = 7,674.49/x
3. Step 3: Cross multiply
   21,706.32x = 32,563.38 × 7,674.49
4. Step 4: Simplify right side
   21,706.32x = 249,907,324.10
5. Step 5: Solve for x
   x = 249,907,324.10/21,706.32
6. Step 6: Final answer
   x = 11,513.12