Finding the Fourth Proportional to 53,826.33, 80,751.16 and 16,385.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,826.33 : 80,751.16 = 16,385.42 : x
2. Step 2: Convert to fraction form
   53,826.33/80,751.16 = 16,385.42/x
3. Step 3: Cross multiply
   53,826.33x = 80,751.16 × 16,385.42
4. Step 4: Simplify right side
   53,826.33x = 1,323,141,672.09
5. Step 5: Solve for x
   x = 1,323,141,672.09/53,826.33
6. Step 6: Final answer
   x = 24,581.68