Finding the Fourth Proportional to 22,268.72, 33,419.28 and 17,938.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,268.72 : 33,419.28 = 17,938.46 : x
2. Step 2: Convert to fraction form
   22,268.72/33,419.28 = 17,938.46/x
3. Step 3: Cross multiply
   22,268.72x = 33,419.28 × 17,938.46
4. Step 4: Simplify right side
   22,268.72x = 599,490,417.51
5. Step 5: Solve for x
   x = 599,490,417.51/22,268.72
6. Step 6: Final answer
   x = 26,920.74