Finding the Fourth Proportional to 16,619.47, 22,933.27 and 9,166.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,619.47 : 22,933.27 = 9,166.99 : x
2. Step 2: Convert to fraction form
   16,619.47/22,933.27 = 9,166.99/x
3. Step 3: Cross multiply
   16,619.47x = 22,933.27 × 9,166.99
4. Step 4: Simplify right side
   16,619.47x = 210,229,056.76
5. Step 5: Solve for x
   x = 210,229,056.76/16,619.47
6. Step 6: Final answer
   x = 12,649.56