Finding the Fourth Proportional to 126,786.89, 174,753.32 and 101,211.27

Step by Step Solution

1. Step 1: Write the proportion equation
   126,786.89 : 174,753.32 = 101,211.27 : x
2. Step 2: Convert to fraction form
   126,786.89/174,753.32 = 101,211.27/x
3. Step 3: Cross multiply
   126,786.89x = 174,753.32 × 101,211.27
4. Step 4: Simplify right side
   126,786.89x = 17,687,004,947.86
5. Step 5: Solve for x
   x = 17,687,004,947.86/126,786.89
6. Step 6: Final answer
   x = 139,501.85