Finding the Fourth Proportional to 168,096.05, 231,965.72 and 91,613.52

Step by Step Solution

1. Step 1: Write the proportion equation
   168,096.05 : 231,965.72 = 91,613.52 : x
2. Step 2: Convert to fraction form
   168,096.05/231,965.72 = 91,613.52/x
3. Step 3: Cross multiply
   168,096.05x = 231,965.72 × 91,613.52
4. Step 4: Simplify right side
   168,096.05x = 21,251,196,357.57
5. Step 5: Solve for x
   x = 21,251,196,357.57/168,096.05
6. Step 6: Final answer
   x = 126,422.94