Finding the Fourth Proportional to 2,485.55, 3,727.05 and 841.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.55 : 3,727.05 = 841.59 : x
2. Step 2: Convert to fraction form
   2,485.55/3,727.05 = 841.59/x
3. Step 3: Cross multiply
   2,485.55x = 3,727.05 × 841.59
4. Step 4: Simplify right side
   2,485.55x = 3,136,644.85
5. Step 5: Solve for x
   x = 3,136,644.85/2,485.55
6. Step 6: Final answer
   x = 1,261.95