Finding the Fourth Proportional to 53,826.80, 80,743.25 and 16,388.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,826.80 : 80,743.25 = 16,388.10 : x
2. Step 2: Convert to fraction form
   53,826.80/80,743.25 = 16,388.10/x
3. Step 3: Cross multiply
   53,826.80x = 80,743.25 × 16,388.10
4. Step 4: Simplify right side
   53,826.80x = 1,323,228,496.30
5. Step 5: Solve for x
   x = 1,323,228,496.30/53,826.80
6. Step 6: Final answer
   x = 24,583.08