Finding the Fourth Proportional to 16,064.04, 22,168.37 and 8,990.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,064.04 : 22,168.37 = 8,990.46 : x
2. Step 2: Convert to fraction form
   16,064.04/22,168.37 = 8,990.46/x
3. Step 3: Cross multiply
   16,064.04x = 22,168.37 × 8,990.46
4. Step 4: Simplify right side
   16,064.04x = 199,303,818.66
5. Step 5: Solve for x
   x = 199,303,818.66/16,064.04
6. Step 6: Final answer
   x = 12,406.83