Finding the Fourth Proportional to 2,570.58, 3,838.68 and 2,016.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.58 : 3,838.68 = 2,016.54 : x
2. Step 2: Convert to fraction form
   2,570.58/3,838.68 = 2,016.54/x
3. Step 3: Cross multiply
   2,570.58x = 3,838.68 × 2,016.54
4. Step 4: Simplify right side
   2,570.58x = 7,740,851.77
5. Step 5: Solve for x
   x = 7,740,851.77/2,570.58
6. Step 6: Final answer
   x = 3,011.32