Finding the Fourth Proportional to 21,401.10, 32,105.07 and 6,606.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.10 : 32,105.07 = 6,606.54 : x
2. Step 2: Convert to fraction form
   21,401.10/32,105.07 = 6,606.54/x
3. Step 3: Cross multiply
   21,401.10x = 32,105.07 × 6,606.54
4. Step 4: Simplify right side
   21,401.10x = 212,103,429.16
5. Step 5: Solve for x
   x = 212,103,429.16/21,401.10
6. Step 6: Final answer
   x = 9,910.87