Finding the Fourth Proportional to 2,185.35, 3,278.22 and 625.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.35 : 3,278.22 = 625.33 : x
2. Step 2: Convert to fraction form
   2,185.35/3,278.22 = 625.33/x
3. Step 3: Cross multiply
   2,185.35x = 3,278.22 × 625.33
4. Step 4: Simplify right side
   2,185.35x = 2,049,969.31
5. Step 5: Solve for x
   x = 2,049,969.31/2,185.35
6. Step 6: Final answer
   x = 938.05