Finding the Fourth Proportional to 259,112.88, 388,721.57 and 109,353.33

Step by Step Solution

1. Step 1: Write the proportion equation
   259,112.88 : 388,721.57 = 109,353.33 : x
2. Step 2: Convert to fraction form
   259,112.88/388,721.57 = 109,353.33/x
3. Step 3: Cross multiply
   259,112.88x = 388,721.57 × 109,353.33
4. Step 4: Simplify right side
   259,112.88x = 42,507,997,575.56
5. Step 5: Solve for x
   x = 42,507,997,575.56/259,112.88
6. Step 6: Final answer
   x = 164,052.04