Finding the Fourth Proportional to 101,150.47, 139,586.94 and 55,828.45

Step by Step Solution

1. Step 1: Write the proportion equation
   101,150.47 : 139,586.94 = 55,828.45 : x
2. Step 2: Convert to fraction form
   101,150.47/139,586.94 = 55,828.45/x
3. Step 3: Cross multiply
   101,150.47x = 139,586.94 × 55,828.45
4. Step 4: Simplify right side
   101,150.47x = 7,792,922,500.44
5. Step 5: Solve for x
   x = 7,792,922,500.44/101,150.47
6. Step 6: Final answer
   x = 77,042.87