Finding the Fourth Proportional to 78,826.87, 108,596.24 and 54,910.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,826.87 : 108,596.24 = 54,910.27 : x
2. Step 2: Convert to fraction form
   78,826.87/108,596.24 = 54,910.27/x
3. Step 3: Cross multiply
   78,826.87x = 108,596.24 × 54,910.27
4. Step 4: Simplify right side
   78,826.87x = 5,963,048,453.68
5. Step 5: Solve for x
   x = 5,963,048,453.68/78,826.87
6. Step 6: Final answer
   x = 75,647.41