Finding the Fourth Proportional to 2,185.60, 3,010.83 and 1,625.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.60 : 3,010.83 = 1,625.11 : x
2. Step 2: Convert to fraction form
   2,185.60/3,010.83 = 1,625.11/x
3. Step 3: Cross multiply
   2,185.60x = 3,010.83 × 1,625.11
4. Step 4: Simplify right side
   2,185.60x = 4,892,914.89
5. Step 5: Solve for x
   x = 4,892,914.89/2,185.60
6. Step 6: Final answer
   x = 2,238.71