Finding the Fourth Proportional to 101,249.69, 139,723.69 and 55,930.83

Step by Step Solution

1. Step 1: Write the proportion equation
   101,249.69 : 139,723.69 = 55,930.83 : x
2. Step 2: Convert to fraction form
   101,249.69/139,723.69 = 55,930.83/x
3. Step 3: Cross multiply
   101,249.69x = 139,723.69 × 55,930.83
4. Step 4: Simplify right side
   101,249.69x = 7,814,861,672.71
5. Step 5: Solve for x
   x = 7,814,861,672.71/101,249.69
6. Step 6: Final answer
   x = 77,184.06