Finding the Fourth Proportional to 162,443.10, 243,628.20 and 106,674.60

Step by Step Solution

1. Step 1: Write the proportion equation
   162,443.10 : 243,628.20 = 106,674.60 : x
2. Step 2: Convert to fraction form
   162,443.10/243,628.20 = 106,674.60/x
3. Step 3: Cross multiply
   162,443.10x = 243,628.20 × 106,674.60
4. Step 4: Simplify right side
   162,443.10x = 25,988,940,783.72
5. Step 5: Solve for x
   x = 25,988,940,783.72/162,443.10
6. Step 6: Final answer
   x = 159,987.96