Finding the Fourth Proportional to 43,443.54, 65,173.41 and 13,868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   43,443.54 : 65,173.41 = 13,868.82 : x
2. Step 2: Convert to fraction form
   43,443.54/65,173.41 = 13,868.82/x
3. Step 3: Cross multiply
   43,443.54x = 65,173.41 × 13,868.82
4. Step 4: Simplify right side
   43,443.54x = 903,878,292.08
5. Step 5: Solve for x
   x = 903,878,292.08/43,443.54
6. Step 6: Final answer
   x = 20,805.82