Finding the Fourth Proportional to 101,227.15, 139,694.52 and 55,906.28

Step by Step Solution

1. Step 1: Write the proportion equation
   101,227.15 : 139,694.52 = 55,906.28 : x
2. Step 2: Convert to fraction form
   101,227.15/139,694.52 = 55,906.28/x
3. Step 3: Cross multiply
   101,227.15x = 139,694.52 × 55,906.28
4. Step 4: Simplify right side
   101,227.15x = 7,809,800,949.59
5. Step 5: Solve for x
   x = 7,809,800,949.59/101,227.15
6. Step 6: Final answer
   x = 77,151.25