Finding the Fourth Proportional to 123,892.80, 170,971.12 and 67,304.58

Step by Step Solution

1. Step 1: Write the proportion equation
   123,892.80 : 170,971.12 = 67,304.58 : x
2. Step 2: Convert to fraction form
   123,892.80/170,971.12 = 67,304.58/x
3. Step 3: Cross multiply
   123,892.80x = 170,971.12 × 67,304.58
4. Step 4: Simplify right side
   123,892.80x = 11,507,139,423.73
5. Step 5: Solve for x
   x = 11,507,139,423.73/123,892.80
6. Step 6: Final answer
   x = 92,879.81