Finding the Fourth Proportional to 68,401.38, 94,395.46 and 42,908.78

Step by Step Solution

1. Step 1: Write the proportion equation
   68,401.38 : 94,395.46 = 42,908.78 : x
2. Step 2: Convert to fraction form
   68,401.38/94,395.46 = 42,908.78/x
3. Step 3: Cross multiply
   68,401.38x = 94,395.46 × 42,908.78
4. Step 4: Simplify right side
   68,401.38x = 4,050,394,026.14
5. Step 5: Solve for x
   x = 4,050,394,026.14/68,401.38
6. Step 6: Final answer
   x = 59,215.09