Finding the Fourth Proportional to 259,113.38, 388,722.32 and 109,353.83

Step by Step Solution

1. Step 1: Write the proportion equation
   259,113.38 : 388,722.32 = 109,353.83 : x
2. Step 2: Convert to fraction form
   259,113.38/388,722.32 = 109,353.83/x
3. Step 3: Cross multiply
   259,113.38x = 388,722.32 × 109,353.83
4. Step 4: Simplify right side
   259,113.38x = 42,508,274,498.49
5. Step 5: Solve for x
   x = 42,508,274,498.49/259,113.38
6. Step 6: Final answer
   x = 164,052.80