Finding the Fourth Proportional to 2,175.89, 3,002.70 and 1,244.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.89 : 3,002.70 = 1,244.57 : x
2. Step 2: Convert to fraction form
   2,175.89/3,002.70 = 1,244.57/x
3. Step 3: Cross multiply
   2,175.89x = 3,002.70 × 1,244.57
4. Step 4: Simplify right side
   2,175.89x = 3,737,070.34
5. Step 5: Solve for x
   x = 3,737,070.34/2,175.89
6. Step 6: Final answer
   x = 1,717.49