Finding the Fourth Proportional to 1,961.56, 2,941.57 and 791.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961.56 : 2,941.57 = 791.34 : x
2. Step 2: Convert to fraction form
   1,961.56/2,941.57 = 791.34/x
3. Step 3: Cross multiply
   1,961.56x = 2,941.57 × 791.34
4. Step 4: Simplify right side
   1,961.56x = 2,327,797.34
5. Step 5: Solve for x
   x = 2,327,797.34/1,961.56
6. Step 6: Final answer
   x = 1,186.71