Finding the Fourth Proportional to 86,874.50, 119,886 and 49,148.75

Step by Step Solution

1. Step 1: Write the proportion equation
   86,874.50 : 119,886 = 49,148.75 : x
2. Step 2: Convert to fraction form
   86,874.50/119,886 = 49,148.75/x
3. Step 3: Cross multiply
   86,874.50x = 119,886 × 49,148.75
4. Step 4: Simplify right side
   86,874.50x = 5,892,247,042.50
5. Step 5: Solve for x
   x = 5,892,247,042.50/86,874.50
6. Step 6: Final answer
   x = 67,824.82