Finding the Fourth Proportional to 16,410.81, 22,648.86 and 9,338.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,410.81 : 22,648.86 = 9,338.34 : x
2. Step 2: Convert to fraction form
   16,410.81/22,648.86 = 9,338.34/x
3. Step 3: Cross multiply
   16,410.81x = 22,648.86 × 9,338.34
4. Step 4: Simplify right side
   16,410.81x = 211,502,755.29
5. Step 5: Solve for x
   x = 211,502,755.29/16,410.81
6. Step 6: Final answer
   x = 12,888.01