Finding the Fourth Proportional to 2,072.25, 2,860.31 and 1,233.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.25 : 2,860.31 = 1,233.54 : x
2. Step 2: Convert to fraction form
   2,072.25/2,860.31 = 1,233.54/x
3. Step 3: Cross multiply
   2,072.25x = 2,860.31 × 1,233.54
4. Step 4: Simplify right side
   2,072.25x = 3,528,300.63
5. Step 5: Solve for x
   x = 3,528,300.63/2,072.25
6. Step 6: Final answer
   x = 1,702.64