Finding the Fourth Proportional to 2,910.72, 4,366.80 and 1,371.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.72 : 4,366.80 = 1,371.36 : x
2. Step 2: Convert to fraction form
   2,910.72/4,366.80 = 1,371.36/x
3. Step 3: Cross multiply
   2,910.72x = 4,366.80 × 1,371.36
4. Step 4: Simplify right side
   2,910.72x = 5,988,454.85
5. Step 5: Solve for x
   x = 5,988,454.85/2,910.72
6. Step 6: Final answer
   x = 2,057.38