Finding the Fourth Proportional to 41,879.01, 62,826.20 and 13,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   41,879.01 : 62,826.20 = 13,800.72 : x
2. Step 2: Convert to fraction form
   41,879.01/62,826.20 = 13,800.72/x
3. Step 3: Cross multiply
   41,879.01x = 62,826.20 × 13,800.72
4. Step 4: Simplify right side
   41,879.01x = 867,046,794.86
5. Step 5: Solve for x
   x = 867,046,794.86/41,879.01
6. Step 6: Final answer
   x = 20,703.61