Finding the Fourth Proportional to 86,885, 119,901.42 and 49,158.44

Step by Step Solution

1. Step 1: Write the proportion equation
   86,885 : 119,901.42 = 49,158.44 : x
2. Step 2: Convert to fraction form
   86,885/119,901.42 = 49,158.44/x
3. Step 3: Cross multiply
   86,885x = 119,901.42 × 49,158.44
4. Step 4: Simplify right side
   86,885x = 5,894,166,760.98
5. Step 5: Solve for x
   x = 5,894,166,760.98/86,885
6. Step 6: Final answer
   x = 67,838.72