Finding the Fourth Proportional to 101,253.69, 139,729.20 and 55,934.83

Step by Step Solution

1. Step 1: Write the proportion equation
   101,253.69 : 139,729.20 = 55,934.83 : x
2. Step 2: Convert to fraction form
   101,253.69/139,729.20 = 55,934.83/x
3. Step 3: Cross multiply
   101,253.69x = 139,729.20 × 55,934.83
4. Step 4: Simplify right side
   101,253.69x = 7,815,729,048.04
5. Step 5: Solve for x
   x = 7,815,729,048.04/101,253.69
6. Step 6: Final answer
   x = 77,189.57