Finding the Fourth Proportional to 2,746.71, 3,790.78 and 2,660.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,746.71 : 3,790.78 = 2,660.58 : x
2. Step 2: Convert to fraction form
   2,746.71/3,790.78 = 2,660.58/x
3. Step 3: Cross multiply
   2,746.71x = 3,790.78 × 2,660.58
4. Step 4: Simplify right side
   2,746.71x = 10,085,666.80
5. Step 5: Solve for x
   x = 10,085,666.80/2,746.71
6. Step 6: Final answer
   x = 3,671.91