Finding the Fourth Proportional to 2,185.03, 3,015.58 and 1,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.03 : 3,015.58 = 1,345.56 : x
2. Step 2: Convert to fraction form
   2,185.03/3,015.58 = 1,345.56/x
3. Step 3: Cross multiply
   2,185.03x = 3,015.58 × 1,345.56
4. Step 4: Simplify right side
   2,185.03x = 4,057,640.46
5. Step 5: Solve for x
   x = 4,057,640.46/2,185.03
6. Step 6: Final answer
   x = 1,857.02