Finding the Fourth Proportional to 2,112.78, 2,912.91 and 1,733.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.78 : 2,912.91 = 1,733.28 : x
2. Step 2: Convert to fraction form
   2,112.78/2,912.91 = 1,733.28/x
3. Step 3: Cross multiply
   2,112.78x = 2,912.91 × 1,733.28
4. Step 4: Simplify right side
   2,112.78x = 5,048,888.64
5. Step 5: Solve for x
   x = 5,048,888.64/2,112.78
6. Step 6: Final answer
   x = 2,389.69