Finding the Fourth Proportional to 259,301.75, 389,105.72 and 109,532.35

Step by Step Solution

1. Step 1: Write the proportion equation
   259,301.75 : 389,105.72 = 109,532.35 : x
2. Step 2: Convert to fraction form
   259,301.75/389,105.72 = 109,532.35/x
3. Step 3: Cross multiply
   259,301.75x = 389,105.72 × 109,532.35
4. Step 4: Simplify right side
   259,301.75x = 42,619,661,416.85
5. Step 5: Solve for x
   x = 42,619,661,416.85/259,301.75
6. Step 6: Final answer
   x = 164,363.18