Finding the Fourth Proportional to 2,561.04, 3,843.72 and 1,263.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.04 : 3,843.72 = 1,263.96 : x
2. Step 2: Convert to fraction form
   2,561.04/3,843.72 = 1,263.96/x
3. Step 3: Cross multiply
   2,561.04x = 3,843.72 × 1,263.96
4. Step 4: Simplify right side
   2,561.04x = 4,858,308.33
5. Step 5: Solve for x
   x = 4,858,308.33/2,561.04
6. Step 6: Final answer
   x = 1,897.01