Finding the Fourth Proportional to 126,016.34, 189,059.54 and 54,945.18

Step by Step Solution

1. Step 1: Write the proportion equation
   126,016.34 : 189,059.54 = 54,945.18 : x
2. Step 2: Convert to fraction form
   126,016.34/189,059.54 = 54,945.18/x
3. Step 3: Cross multiply
   126,016.34x = 189,059.54 × 54,945.18
4. Step 4: Simplify right side
   126,016.34x = 10,387,910,181.29
5. Step 5: Solve for x
   x = 10,387,910,181.29/126,016.34
6. Step 6: Final answer
   x = 82,433.04