Finding the Fourth Proportional to 1,961.82, 2,706.70 and 1,165.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961.82 : 2,706.70 = 1,165.27 : x
2. Step 2: Convert to fraction form
   1,961.82/2,706.70 = 1,165.27/x
3. Step 3: Cross multiply
   1,961.82x = 2,706.70 × 1,165.27
4. Step 4: Simplify right side
   1,961.82x = 3,154,033.89
5. Step 5: Solve for x
   x = 3,154,033.89/1,961.82
6. Step 6: Final answer
   x = 1,607.71