Finding the Fourth Proportional to 5,404.97, 8,111.52 and 2,485.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.97 : 8,111.52 = 2,485.33 : x
2. Step 2: Convert to fraction form
   5,404.97/8,111.52 = 2,485.33/x
3. Step 3: Cross multiply
   5,404.97x = 8,111.52 × 2,485.33
4. Step 4: Simplify right side
   5,404.97x = 20,159,783.72
5. Step 5: Solve for x
   x = 20,159,783.72/5,404.97
6. Step 6: Final answer
   x = 3,729.86