Finding the Fourth Proportional to 123,994.50, 171,112 and 67,405.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,994.50 : 171,112 = 67,405.47 : x
2. Step 2: Convert to fraction form
   123,994.50/171,112 = 67,405.47/x
3. Step 3: Cross multiply
   123,994.50x = 171,112 × 67,405.47
4. Step 4: Simplify right side
   123,994.50x = 11,533,884,782.64
5. Step 5: Solve for x
   x = 11,533,884,782.64/123,994.50
6. Step 6: Final answer
   x = 93,019.33