Finding the Fourth Proportional to 2,355.25, 3,527.74 and 1,118.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.25 : 3,527.74 = 1,118.91 : x
2. Step 2: Convert to fraction form
   2,355.25/3,527.74 = 1,118.91/x
3. Step 3: Cross multiply
   2,355.25x = 3,527.74 × 1,118.91
4. Step 4: Simplify right side
   2,355.25x = 3,947,223.56
5. Step 5: Solve for x
   x = 3,947,223.56/2,355.25
6. Step 6: Final answer
   x = 1,675.93