Finding the Fourth Proportional to 2,185.83, 3,279.30 and 625.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.83 : 3,279.30 = 625.94 : x
2. Step 2: Convert to fraction form
   2,185.83/3,279.30 = 625.94/x
3. Step 3: Cross multiply
   2,185.83x = 3,279.30 × 625.94
4. Step 4: Simplify right side
   2,185.83x = 2,052,658.42
5. Step 5: Solve for x
   x = 2,052,658.42/2,185.83
6. Step 6: Final answer
   x = 939.08