Finding the Fourth Proportional to 101,105.48, 139,525.17 and 55,786.29

Step by Step Solution

1. Step 1: Write the proportion equation
   101,105.48 : 139,525.17 = 55,786.29 : x
2. Step 2: Convert to fraction form
   101,105.48/139,525.17 = 55,786.29/x
3. Step 3: Cross multiply
   101,105.48x = 139,525.17 × 55,786.29
4. Step 4: Simplify right side
   101,105.48x = 7,783,590,863.50
5. Step 5: Solve for x
   x = 7,783,590,863.50/101,105.48
6. Step 6: Final answer
   x = 76,984.85