Finding the Fourth Proportional to 158,915.91, 219,323.39 and 91,847.91

Step by Step Solution

1. Step 1: Write the proportion equation
   158,915.91 : 219,323.39 = 91,847.91 : x
2. Step 2: Convert to fraction form
   158,915.91/219,323.39 = 91,847.91/x
3. Step 3: Cross multiply
   158,915.91x = 219,323.39 × 91,847.91
4. Step 4: Simplify right side
   158,915.91x = 20,144,394,526.38
5. Step 5: Solve for x
   x = 20,144,394,526.38/158,915.91
6. Step 6: Final answer
   x = 126,761.35