Finding the Fourth Proportional to 2,558.35, 3,837.48 and 709.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.35 : 3,837.48 = 709.43 : x
2. Step 2: Convert to fraction form
   2,558.35/3,837.48 = 709.43/x
3. Step 3: Cross multiply
   2,558.35x = 3,837.48 × 709.43
4. Step 4: Simplify right side
   2,558.35x = 2,722,401.59
5. Step 5: Solve for x
   x = 2,722,401.59/2,558.35
6. Step 6: Final answer
   x = 1,064.12