Finding the Fourth Proportional to 1,757.33, 2,638.31 and 1,612.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.33 : 2,638.31 = 1,612.27 : x
2. Step 2: Convert to fraction form
   1,757.33/2,638.31 = 1,612.27/x
3. Step 3: Cross multiply
   1,757.33x = 2,638.31 × 1,612.27
4. Step 4: Simplify right side
   1,757.33x = 4,253,672.37
5. Step 5: Solve for x
   x = 4,253,672.37/1,757.33
6. Step 6: Final answer
   x = 2,420.53