Finding the Fourth Proportional to 1,961.42, 2,706.82 and 1,077.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961.42 : 2,706.82 = 1,077.25 : x
2. Step 2: Convert to fraction form
   1,961.42/2,706.82 = 1,077.25/x
3. Step 3: Cross multiply
   1,961.42x = 2,706.82 × 1,077.25
4. Step 4: Simplify right side
   1,961.42x = 2,915,917.46
5. Step 5: Solve for x
   x = 2,915,917.46/1,961.42
6. Step 6: Final answer
   x = 1,486.64