Finding the Fourth Proportional to 16,401.99, 22,610.55 and 11,607.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.99 : 22,610.55 = 11,607.04 : x
2. Step 2: Convert to fraction form
   16,401.99/22,610.55 = 11,607.04/x
3. Step 3: Cross multiply
   16,401.99x = 22,610.55 × 11,607.04
4. Step 4: Simplify right side
   16,401.99x = 262,441,558.27
5. Step 5: Solve for x
   x = 262,441,558.27/16,401.99
6. Step 6: Final answer
   x = 16,000.59