Finding the Fourth Proportional to 125,164.82, 188,140.89 and 108,729.52

Step by Step Solution

1. Step 1: Write the proportion equation
   125,164.82 : 188,140.89 = 108,729.52 : x
2. Step 2: Convert to fraction form
   125,164.82/188,140.89 = 108,729.52/x
3. Step 3: Cross multiply
   125,164.82x = 188,140.89 × 108,729.52
4. Step 4: Simplify right side
   125,164.82x = 20,456,468,662.07
5. Step 5: Solve for x
   x = 20,456,468,662.07/125,164.82
6. Step 6: Final answer
   x = 163,436.25