Finding the Fourth Proportional to 22,061.43, 33,142.37 and 13,302.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.43 : 33,142.37 = 13,302.09 : x
2. Step 2: Convert to fraction form
   22,061.43/33,142.37 = 13,302.09/x
3. Step 3: Cross multiply
   22,061.43x = 33,142.37 × 13,302.09
4. Step 4: Simplify right side
   22,061.43x = 440,862,722.04
5. Step 5: Solve for x
   x = 440,862,722.04/22,061.43
6. Step 6: Final answer
   x = 19,983.42