Finding the Fourth Proportional to 123,994.28, 171,113.10 and 67,405.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,994.28 : 171,113.10 = 67,405.52 : x
2. Step 2: Convert to fraction form
   123,994.28/171,113.10 = 67,405.52/x
3. Step 3: Cross multiply
   123,994.28x = 171,113.10 × 67,405.52
4. Step 4: Simplify right side
   123,994.28x = 11,533,967,484.31
5. Step 5: Solve for x
   x = 11,533,967,484.31/123,994.28
6. Step 6: Final answer
   x = 93,020.16