Finding the Fourth Proportional to 2,185.78, 3,014.01 and 1,903.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.78 : 3,014.01 = 1,903.51 : x
2. Step 2: Convert to fraction form
   2,185.78/3,014.01 = 1,903.51/x
3. Step 3: Cross multiply
   2,185.78x = 3,014.01 × 1,903.51
4. Step 4: Simplify right side
   2,185.78x = 5,737,198.18
5. Step 5: Solve for x
   x = 5,737,198.18/2,185.78
6. Step 6: Final answer
   x = 2,624.78