Finding the Fourth Proportional to 2,610.72, 3,917.22 and 1,377.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.72 : 3,917.22 = 1,377.84 : x
2. Step 2: Convert to fraction form
   2,610.72/3,917.22 = 1,377.84/x
3. Step 3: Cross multiply
   2,610.72x = 3,917.22 × 1,377.84
4. Step 4: Simplify right side
   2,610.72x = 5,397,302.40
5. Step 5: Solve for x
   x = 5,397,302.40/2,610.72
6. Step 6: Final answer
   x = 2,067.36