Finding the Fourth Proportional to 123,994.48, 171,112.62 and 67,405.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,994.48 : 171,112.62 = 67,405.72 : x
2. Step 2: Convert to fraction form
   123,994.48/171,112.62 = 67,405.72/x
3. Step 3: Cross multiply
   123,994.48x = 171,112.62 × 67,405.72
4. Step 4: Simplify right side
   123,994.48x = 11,533,969,352.19
5. Step 5: Solve for x
   x = 11,533,969,352.19/123,994.48
6. Step 6: Final answer
   x = 93,020.02