Finding the Fourth Proportional to 53,801.82, 80,715.69 and 16,865.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,801.82 : 80,715.69 = 16,865.82 : x
2. Step 2: Convert to fraction form
   53,801.82/80,715.69 = 16,865.82/x
3. Step 3: Cross multiply
   53,801.82x = 80,715.69 × 16,865.82
4. Step 4: Simplify right side
   53,801.82x = 1,361,336,298.72
5. Step 5: Solve for x
   x = 1,361,336,298.72/53,801.82
6. Step 6: Final answer
   x = 25,302.79