Finding the Fourth Proportional to 2,392.12, 3,587.46 and 748.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.12 : 3,587.46 = 748.54 : x
2. Step 2: Convert to fraction form
   2,392.12/3,587.46 = 748.54/x
3. Step 3: Cross multiply
   2,392.12x = 3,587.46 × 748.54
4. Step 4: Simplify right side
   2,392.12x = 2,685,357.31
5. Step 5: Solve for x
   x = 2,685,357.31/2,392.12
6. Step 6: Final answer
   x = 1,122.58