Finding the Fourth Proportional to 126,057.38, 173,962.83 and 69,472.40

Step by Step Solution

1. Step 1: Write the proportion equation
   126,057.38 : 173,962.83 = 69,472.40 : x
2. Step 2: Convert to fraction form
   126,057.38/173,962.83 = 69,472.40/x
3. Step 3: Cross multiply
   126,057.38x = 173,962.83 × 69,472.40
4. Step 4: Simplify right side
   126,057.38x = 12,085,615,310.89
5. Step 5: Solve for x
   x = 12,085,615,310.89/126,057.38
6. Step 6: Final answer
   x = 95,873.92