Finding the Fourth Proportional to 16,476.66, 22,740.21 and 9,404.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,476.66 : 22,740.21 = 9,404.82 : x
2. Step 2: Convert to fraction form
   16,476.66/22,740.21 = 9,404.82/x
3. Step 3: Cross multiply
   16,476.66x = 22,740.21 × 9,404.82
4. Step 4: Simplify right side
   16,476.66x = 213,867,581.81
5. Step 5: Solve for x
   x = 213,867,581.81/16,476.66
6. Step 6: Final answer
   x = 12,980.03