Finding the Fourth Proportional to 2,175.12, 3,005.28 and 1,736.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.12 : 3,005.28 = 1,736.28 : x
2. Step 2: Convert to fraction form
   2,175.12/3,005.28 = 1,736.28/x
3. Step 3: Cross multiply
   2,175.12x = 3,005.28 × 1,736.28
4. Step 4: Simplify right side
   2,175.12x = 5,218,007.56
5. Step 5: Solve for x
   x = 5,218,007.56/2,175.12
6. Step 6: Final answer
   x = 2,398.95