Finding the Fourth Proportional to 123,246.14, 170,183.39 and 78,003.95

Step by Step Solution

1. Step 1: Write the proportion equation
   123,246.14 : 170,183.39 = 78,003.95 : x
2. Step 2: Convert to fraction form
   123,246.14/170,183.39 = 78,003.95/x
3. Step 3: Cross multiply
   123,246.14x = 170,183.39 × 78,003.95
4. Step 4: Simplify right side
   123,246.14x = 13,274,976,679.83
5. Step 5: Solve for x
   x = 13,274,976,679.83/123,246.14
6. Step 6: Final answer
   x = 107,711.09