Finding the Fourth Proportional to 22,309.23, 30,781.58 and 13,353.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,309.23 : 30,781.58 = 13,353.33 : x
2. Step 2: Convert to fraction form
   22,309.23/30,781.58 = 13,353.33/x
3. Step 3: Cross multiply
   22,309.23x = 30,781.58 × 13,353.33
4. Step 4: Simplify right side
   22,309.23x = 411,036,528.89
5. Step 5: Solve for x
   x = 411,036,528.89/22,309.23
6. Step 6: Final answer
   x = 18,424.51