Finding the Fourth Proportional to 126,017.38, 173,903.88 and 69,428.76

Step by Step Solution

1. Step 1: Write the proportion equation
   126,017.38 : 173,903.88 = 69,428.76 : x
2. Step 2: Convert to fraction form
   126,017.38/173,903.88 = 69,428.76/x
3. Step 3: Cross multiply
   126,017.38x = 173,903.88 × 69,428.76
4. Step 4: Simplify right side
   126,017.38x = 12,073,930,747.59
5. Step 5: Solve for x
   x = 12,073,930,747.59/126,017.38
6. Step 6: Final answer
   x = 95,811.63