Finding the Fourth Proportional to 2,185.35, 3,253.32 and 2,172.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.35 : 3,253.32 = 2,172.39 : x
2. Step 2: Convert to fraction form
   2,185.35/3,253.32 = 2,172.39/x
3. Step 3: Cross multiply
   2,185.35x = 3,253.32 × 2,172.39
4. Step 4: Simplify right side
   2,185.35x = 7,067,479.83
5. Step 5: Solve for x
   x = 7,067,479.83/2,185.35
6. Step 6: Final answer
   x = 3,234.03