Finding the Fourth Proportional to 2,728.84, 4,093.34 and 1,810.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.84 : 4,093.34 = 1,810.28 : x
2. Step 2: Convert to fraction form
   2,728.84/4,093.34 = 1,810.28/x
3. Step 3: Cross multiply
   2,728.84x = 4,093.34 × 1,810.28
4. Step 4: Simplify right side
   2,728.84x = 7,410,091.54
5. Step 5: Solve for x
   x = 7,410,091.54/2,728.84
6. Step 6: Final answer
   x = 2,715.47