Finding the Fourth Proportional to 86,806.88, 119,796.72 and 49,078.88

Step by Step Solution

1. Step 1: Write the proportion equation
   86,806.88 : 119,796.72 = 49,078.88 : x
2. Step 2: Convert to fraction form
   86,806.88/119,796.72 = 49,078.88/x
3. Step 3: Cross multiply
   86,806.88x = 119,796.72 × 49,078.88
4. Step 4: Simplify right side
   86,806.88x = 5,879,488,845.27
5. Step 5: Solve for x
   x = 5,879,488,845.27/86,806.88
6. Step 6: Final answer
   x = 67,730.68