Finding the Fourth Proportional to 2,185.18, 3,012.93 and 1,785.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.18 : 3,012.93 = 1,785.37 : x
2. Step 2: Convert to fraction form
   2,185.18/3,012.93 = 1,785.37/x
3. Step 3: Cross multiply
   2,185.18x = 3,012.93 × 1,785.37
4. Step 4: Simplify right side
   2,185.18x = 5,379,192.01
5. Step 5: Solve for x
   x = 5,379,192.01/2,185.18
6. Step 6: Final answer
   x = 2,461.67