Finding the Fourth Proportional to 2,283.50, 3,151.23 and 1,235.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.50 : 3,151.23 = 1,235.57 : x
2. Step 2: Convert to fraction form
   2,283.50/3,151.23 = 1,235.57/x
3. Step 3: Cross multiply
   2,283.50x = 3,151.23 × 1,235.57
4. Step 4: Simplify right side
   2,283.50x = 3,893,565.25
5. Step 5: Solve for x
   x = 3,893,565.25/2,283.50
6. Step 6: Final answer
   x = 1,705.09