Finding the Fourth Proportional to 2,175.89, 3,001.83 and 1,617.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.89 : 3,001.83 = 1,617.70 : x
2. Step 2: Convert to fraction form
   2,175.89/3,001.83 = 1,617.70/x
3. Step 3: Cross multiply
   2,175.89x = 3,001.83 × 1,617.70
4. Step 4: Simplify right side
   2,175.89x = 4,856,047.42
5. Step 5: Solve for x
   x = 4,856,047.42/2,175.89
6. Step 6: Final answer
   x = 2,231.75