Finding the Fourth Proportional to 68,388.38, 94,380.72 and 38,179.60

Step by Step Solution

1. Step 1: Write the proportion equation
   68,388.38 : 94,380.72 = 38,179.60 : x
2. Step 2: Convert to fraction form
   68,388.38/94,380.72 = 38,179.60/x
3. Step 3: Cross multiply
   68,388.38x = 94,380.72 × 38,179.60
4. Step 4: Simplify right side
   68,388.38x = 3,603,418,137.31
5. Step 5: Solve for x
   x = 3,603,418,137.31/68,388.38
6. Step 6: Final answer
   x = 52,690.50