Finding the Fourth Proportional to 2,570.84, 3,856.94 and 1,337.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.84 : 3,856.94 = 1,337.88 : x
2. Step 2: Convert to fraction form
   2,570.84/3,856.94 = 1,337.88/x
3. Step 3: Cross multiply
   2,570.84x = 3,856.94 × 1,337.88
4. Step 4: Simplify right side
   2,570.84x = 5,160,116.20
5. Step 5: Solve for x
   x = 5,160,116.20/2,570.84
6. Step 6: Final answer
   x = 2,007.18