Finding the Fourth Proportional to 86,919.69, 119,928.61 and 49,193.94

Step by Step Solution

1. Step 1: Write the proportion equation
   86,919.69 : 119,928.61 = 49,193.94 : x
2. Step 2: Convert to fraction form
   86,919.69/119,928.61 = 49,193.94/x
3. Step 3: Cross multiply
   86,919.69x = 119,928.61 × 49,193.94
4. Step 4: Simplify right side
   86,919.69x = 5,899,760,122.00
5. Step 5: Solve for x
   x = 5,899,760,122.00/86,919.69
6. Step 6: Final answer
   x = 67,876.00