Finding the Fourth Proportional to 2,561.33, 3,841.53 and 711.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.33 : 3,841.53 = 711.98 : x
2. Step 2: Convert to fraction form
   2,561.33/3,841.53 = 711.98/x
3. Step 3: Cross multiply
   2,561.33x = 3,841.53 × 711.98
4. Step 4: Simplify right side
   2,561.33x = 2,735,092.53
5. Step 5: Solve for x
   x = 2,735,092.53/2,561.33
6. Step 6: Final answer
   x = 1,067.84