Finding the Fourth Proportional to 126,470.46, 174,529.69 and 69,109.78

Step by Step Solution

1. Step 1: Write the proportion equation
   126,470.46 : 174,529.69 = 69,109.78 : x
2. Step 2: Convert to fraction form
   126,470.46/174,529.69 = 69,109.78/x
3. Step 3: Cross multiply
   126,470.46x = 174,529.69 × 69,109.78
4. Step 4: Simplify right side
   126,470.46x = 12,061,708,133.82
5. Step 5: Solve for x
   x = 12,061,708,133.82/126,470.46
6. Step 6: Final answer
   x = 95,371.74