Finding the Fourth Proportional to 147,744, 203,886.72 and 80,676

Step by Step Solution

1. Step 1: Write the proportion equation
   147,744 : 203,886.72 = 80,676 : x
2. Step 2: Convert to fraction form
   147,744/203,886.72 = 80,676/x
3. Step 3: Cross multiply
   147,744x = 203,886.72 × 80,676
4. Step 4: Simplify right side
   147,744x = 16,448,765,022.72
5. Step 5: Solve for x
   x = 16,448,765,022.72/147,744
6. Step 6: Final answer
   x = 111,332.88