Finding the Fourth Proportional to 53,735.69, 80,603.25 and 13,754.60

Step by Step Solution

1. Step 1: Write the proportion equation
   53,735.69 : 80,603.25 = 13,754.60 : x
2. Step 2: Convert to fraction form
   53,735.69/80,603.25 = 13,754.60/x
3. Step 3: Cross multiply
   53,735.69x = 80,603.25 × 13,754.60
4. Step 4: Simplify right side
   53,735.69x = 1,108,665,059.43
5. Step 5: Solve for x
   x = 1,108,665,059.43/53,735.69
6. Step 6: Final answer
   x = 20,631.82