Finding the Fourth Proportional to 2,185.17, 3,013.14 and 1,902.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.17 : 3,013.14 = 1,902.89 : x
2. Step 2: Convert to fraction form
   2,185.17/3,013.14 = 1,902.89/x
3. Step 3: Cross multiply
   2,185.17x = 3,013.14 × 1,902.89
4. Step 4: Simplify right side
   2,185.17x = 5,733,658.91
5. Step 5: Solve for x
   x = 5,733,658.91/2,185.17
6. Step 6: Final answer
   x = 2,623.90