Finding the Fourth Proportional to 23,938.12, 33,038.61 and 13,872.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,938.12 : 33,038.61 = 13,872.68 : x
2. Step 2: Convert to fraction form
   23,938.12/33,038.61 = 13,872.68/x
3. Step 3: Cross multiply
   23,938.12x = 33,038.61 × 13,872.68
4. Step 4: Simplify right side
   23,938.12x = 458,333,994.81
5. Step 5: Solve for x
   x = 458,333,994.81/23,938.12
6. Step 6: Final answer
   x = 19,146.62