Finding the Fourth Proportional to 2,235.57, 3,084.77 and 1,240.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.57 : 3,084.77 = 1,240.59 : x
2. Step 2: Convert to fraction form
   2,235.57/3,084.77 = 1,240.59/x
3. Step 3: Cross multiply
   2,235.57x = 3,084.77 × 1,240.59
4. Step 4: Simplify right side
   2,235.57x = 3,826,928.61
5. Step 5: Solve for x
   x = 3,826,928.61/2,235.57
6. Step 6: Final answer
   x = 1,711.84