Finding the Fourth Proportional to 2,570.46, 3,855.72 and 1,337.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.46 : 3,855.72 = 1,337.64 : x
2. Step 2: Convert to fraction form
   2,570.46/3,855.72 = 1,337.64/x
3. Step 3: Cross multiply
   2,570.46x = 3,855.72 × 1,337.64
4. Step 4: Simplify right side
   2,570.46x = 5,157,565.30
5. Step 5: Solve for x
   x = 5,157,565.30/2,570.46
6. Step 6: Final answer
   x = 2,006.48