Finding the Fourth Proportional to 16,346.53, 22,557.89 and 9,176.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,346.53 : 22,557.89 = 9,176.61 : x
2. Step 2: Convert to fraction form
   16,346.53/22,557.89 = 9,176.61/x
3. Step 3: Cross multiply
   16,346.53x = 22,557.89 × 9,176.61
4. Step 4: Simplify right side
   16,346.53x = 207,004,958.95
5. Step 5: Solve for x
   x = 207,004,958.95/16,346.53
6. Step 6: Final answer
   x = 12,663.54