Finding the Fourth Proportional to 101,067, 139,470.56 and 55,749.20

Step by Step Solution

1. Step 1: Write the proportion equation
   101,067 : 139,470.56 = 55,749.20 : x
2. Step 2: Convert to fraction form
   101,067/139,470.56 = 55,749.20/x
3. Step 3: Cross multiply
   101,067x = 139,470.56 × 55,749.20
4. Step 4: Simplify right side
   101,067x = 7,775,372,143.55
5. Step 5: Solve for x
   x = 7,775,372,143.55/101,067
6. Step 6: Final answer
   x = 76,932.85