Finding the Fourth Proportional to 17,938.84, 24,789.73 and 13,454.81

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.84 : 24,789.73 = 13,454.81 : x
2. Step 2: Convert to fraction form
   17,938.84/24,789.73 = 13,454.81/x
3. Step 3: Cross multiply
   17,938.84x = 24,789.73 × 13,454.81
4. Step 4: Simplify right side
   17,938.84x = 333,540,999.97
5. Step 5: Solve for x
   x = 333,540,999.97/17,938.84
6. Step 6: Final answer
   x = 18,593.23