Finding the Fourth Proportional to 22,118.00, 30,521.81 and 13,166.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,118.00 : 30,521.81 = 13,166.48 : x
2. Step 2: Convert to fraction form
   22,118.00/30,521.81 = 13,166.48/x
3. Step 3: Cross multiply
   22,118.00x = 30,521.81 × 13,166.48
4. Step 4: Simplify right side
   22,118.00x = 401,864,910.15
5. Step 5: Solve for x
   x = 401,864,910.15/22,118.00
6. Step 6: Final answer
   x = 18,169.14