Finding the Fourth Proportional to 188,141.98, 259,685.71 and 116,481.28

Step by Step Solution

1. Step 1: Write the proportion equation
   188,141.98 : 259,685.71 = 116,481.28 : x
2. Step 2: Convert to fraction form
   188,141.98/259,685.71 = 116,481.28/x
3. Step 3: Cross multiply
   188,141.98x = 259,685.71 × 116,481.28
4. Step 4: Simplify right side
   188,141.98x = 30,248,522,958.09
5. Step 5: Solve for x
   x = 30,248,522,958.09/188,141.98
6. Step 6: Final answer
   x = 160,774.98