Finding the Fourth Proportional to 2,558.15, 3,837.02 and 709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.15 : 3,837.02 = 709.31 : x
2. Step 2: Convert to fraction form
   2,558.15/3,837.02 = 709.31/x
3. Step 3: Cross multiply
   2,558.15x = 3,837.02 × 709.31
4. Step 4: Simplify right side
   2,558.15x = 2,721,646.69
5. Step 5: Solve for x
   x = 2,721,646.69/2,558.15
6. Step 6: Final answer
   x = 1,063.91