Finding the Fourth Proportional to 2,093.55, 3,141.53 and 861.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.55 : 3,141.53 = 861.84 : x
2. Step 2: Convert to fraction form
   2,093.55/3,141.53 = 861.84/x
3. Step 3: Cross multiply
   2,093.55x = 3,141.53 × 861.84
4. Step 4: Simplify right side
   2,093.55x = 2,707,496.22
5. Step 5: Solve for x
   x = 2,707,496.22/2,093.55
6. Step 6: Final answer
   x = 1,293.26