Finding the Fourth Proportional to 168,081.36, 231,945.52 and 91,598.82

Step by Step Solution

1. Step 1: Write the proportion equation
   168,081.36 : 231,945.52 = 91,598.82 : x
2. Step 2: Convert to fraction form
   168,081.36/231,945.52 = 91,598.82/x
3. Step 3: Cross multiply
   168,081.36x = 231,945.52 × 91,598.82
4. Step 4: Simplify right side
   168,081.36x = 21,245,935,936.29
5. Step 5: Solve for x
   x = 21,245,935,936.29/168,081.36
6. Step 6: Final answer
   x = 126,402.69