Finding the Fourth Proportional to 126,354.92, 189,469 and 42,085.46

Step by Step Solution

1. Step 1: Write the proportion equation
   126,354.92 : 189,469 = 42,085.46 : x
2. Step 2: Convert to fraction form
   126,354.92/189,469 = 42,085.46/x
3. Step 3: Cross multiply
   126,354.92x = 189,469 × 42,085.46
4. Step 4: Simplify right side
   126,354.92x = 7,973,890,020.74
5. Step 5: Solve for x
   x = 7,973,890,020.74/126,354.92
6. Step 6: Final answer
   x = 63,107.08