Finding the Fourth Proportional to 2,185.43, 3,274.29 and 1,910.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.43 : 3,274.29 = 1,910.84 : x
2. Step 2: Convert to fraction form
   2,185.43/3,274.29 = 1,910.84/x
3. Step 3: Cross multiply
   2,185.43x = 3,274.29 × 1,910.84
4. Step 4: Simplify right side
   2,185.43x = 6,256,627.93
5. Step 5: Solve for x
   x = 6,256,627.93/2,185.43
6. Step 6: Final answer
   x = 2,862.89