Finding the Fourth Proportional to 123,993.87, 171,111.71 and 67,405.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,993.87 : 171,111.71 = 67,405.24 : x
2. Step 2: Convert to fraction form
   123,993.87/171,111.71 = 67,405.24/x
3. Step 3: Cross multiply
   123,993.87x = 171,111.71 × 67,405.24
4. Step 4: Simplify right side
   123,993.87x = 11,533,825,879.36
5. Step 5: Solve for x
   x = 11,533,825,879.36/123,993.87
6. Step 6: Final answer
   x = 93,019.32