Finding the Fourth Proportional to 68,978.35, 95,187.39 and 42,165.73

Step by Step Solution

1. Step 1: Write the proportion equation
   68,978.35 : 95,187.39 = 42,165.73 : x
2. Step 2: Convert to fraction form
   68,978.35/95,187.39 = 42,165.73/x
3. Step 3: Cross multiply
   68,978.35x = 95,187.39 × 42,165.73
4. Step 4: Simplify right side
   68,978.35x = 4,013,645,786.14
5. Step 5: Solve for x
   x = 4,013,645,786.14/68,978.35
6. Step 6: Final answer
   x = 58,187.04