Finding the Fourth Proportional to 16,401.00, 22,632.72 and 9,688.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.00 : 22,632.72 = 9,688.78 : x
2. Step 2: Convert to fraction form
   16,401.00/22,632.72 = 9,688.78/x
3. Step 3: Cross multiply
   16,401.00x = 22,632.72 × 9,688.78
4. Step 4: Simplify right side
   16,401.00x = 219,283,388.30
5. Step 5: Solve for x
   x = 219,283,388.30/16,401.00
6. Step 6: Final answer
   x = 13,370.13