Finding the Fourth Proportional to 188,016.84, 259,316.58 and 116,436.60

Step by Step Solution

1. Step 1: Write the proportion equation
   188,016.84 : 259,316.58 = 116,436.60 : x
2. Step 2: Convert to fraction form
   188,016.84/259,316.58 = 116,436.60/x
3. Step 3: Cross multiply
   188,016.84x = 259,316.58 × 116,436.60
4. Step 4: Simplify right side
   188,016.84x = 30,193,940,898.83
5. Step 5: Solve for x
   x = 30,193,940,898.83/188,016.84
6. Step 6: Final answer
   x = 160,591.68