Finding the Fourth Proportional to 259,112.38, 388,720.82 and 109,352.83

Step by Step Solution

1. Step 1: Write the proportion equation
   259,112.38 : 388,720.82 = 109,352.83 : x
2. Step 2: Convert to fraction form
   259,112.38/388,720.82 = 109,352.83/x
3. Step 3: Cross multiply
   259,112.38x = 388,720.82 × 109,352.83
4. Step 4: Simplify right side
   259,112.38x = 42,507,721,200.16
5. Step 5: Solve for x
   x = 42,507,721,200.16/259,112.38
6. Step 6: Final answer
   x = 164,051.29