Finding the Fourth Proportional to 154,446.28, 213,025.96 and 141,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,446.28 : 213,025.96 = 141,740.50 : x
2. Step 2: Convert to fraction form
   154,446.28/213,025.96 = 141,740.50/x
3. Step 3: Cross multiply
   154,446.28x = 213,025.96 × 141,740.50
4. Step 4: Simplify right side
   154,446.28x = 30,194,405,196.46
5. Step 5: Solve for x
   x = 30,194,405,196.46/154,446.28
6. Step 6: Final answer
   x = 195,501.02