Finding the Fourth Proportional to 2,570.72, 3,855.26 and 1,337.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.72 : 3,855.26 = 1,337.46 : x
2. Step 2: Convert to fraction form
   2,570.72/3,855.26 = 1,337.46/x
3. Step 3: Cross multiply
   2,570.72x = 3,855.26 × 1,337.46
4. Step 4: Simplify right side
   2,570.72x = 5,156,244.93
5. Step 5: Solve for x
   x = 5,156,244.93/2,570.72
6. Step 6: Final answer
   x = 2,005.76