Finding the Fourth Proportional to 154,898.72, 213,361.93 and 109,498.62

Step by Step Solution

1. Step 1: Write the proportion equation
   154,898.72 : 213,361.93 = 109,498.62 : x
2. Step 2: Convert to fraction form
   154,898.72/213,361.93 = 109,498.62/x
3. Step 3: Cross multiply
   154,898.72x = 213,361.93 × 109,498.62
4. Step 4: Simplify right side
   154,898.72x = 23,362,836,895.54
5. Step 5: Solve for x
   x = 23,362,836,895.54/154,898.72
6. Step 6: Final answer
   x = 150,826.53