Finding the Fourth Proportional to 168,061.96, 231,922.53 and 91,581.73

Step by Step Solution

1. Step 1: Write the proportion equation
   168,061.96 : 231,922.53 = 91,581.73 : x
2. Step 2: Convert to fraction form
   168,061.96/231,922.53 = 91,581.73/x
3. Step 3: Cross multiply
   168,061.96x = 231,922.53 × 91,581.73
4. Step 4: Simplify right side
   168,061.96x = 21,239,866,523.38
5. Step 5: Solve for x
   x = 21,239,866,523.38/168,061.96
6. Step 6: Final answer
   x = 126,381.17