Finding the Fourth Proportional to 86,920.12, 119,946.72 and 49,193.56

Step by Step Solution

1. Step 1: Write the proportion equation
   86,920.12 : 119,946.72 = 49,193.56 : x
2. Step 2: Convert to fraction form
   86,920.12/119,946.72 = 49,193.56/x
3. Step 3: Cross multiply
   86,920.12x = 119,946.72 × 49,193.56
4. Step 4: Simplify right side
   86,920.12x = 5,900,606,167.12
5. Step 5: Solve for x
   x = 5,900,606,167.12/86,920.12
6. Step 6: Final answer
   x = 67,885.39