Finding the Fourth Proportional to 154,766.59, 213,622.18 and 91,141.29

Step by Step Solution

1. Step 1: Write the proportion equation
   154,766.59 : 213,622.18 = 91,141.29 : x
2. Step 2: Convert to fraction form
   154,766.59/213,622.18 = 91,141.29/x
3. Step 3: Cross multiply
   154,766.59x = 213,622.18 × 91,141.29
4. Step 4: Simplify right side
   154,766.59x = 19,469,800,829.96
5. Step 5: Solve for x
   x = 19,469,800,829.96/154,766.59
6. Step 6: Final answer
   x = 125,801.06