Finding the Fourth Proportional to 2,623.35, 3,934.89 and 675.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.35 : 3,934.89 = 675.57 : x
2. Step 2: Convert to fraction form
   2,623.35/3,934.89 = 675.57/x
3. Step 3: Cross multiply
   2,623.35x = 3,934.89 × 675.57
4. Step 4: Simplify right side
   2,623.35x = 2,658,293.64
5. Step 5: Solve for x
   x = 2,658,293.64/2,623.35
6. Step 6: Final answer
   x = 1,013.32