Finding the Fourth Proportional to 2,485.55, 3,725.73 and 841.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.55 : 3,725.73 = 841.54 : x
2. Step 2: Convert to fraction form
   2,485.55/3,725.73 = 841.54/x
3. Step 3: Cross multiply
   2,485.55x = 3,725.73 × 841.54
4. Step 4: Simplify right side
   2,485.55x = 3,135,350.82
5. Step 5: Solve for x
   x = 3,135,350.82/2,485.55
6. Step 6: Final answer
   x = 1,261.43