Finding the Fourth Proportional to 2,607.93, 3,910.82 and 1,786.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.93 : 3,910.82 = 1,786.46 : x
2. Step 2: Convert to fraction form
   2,607.93/3,910.82 = 1,786.46/x
3. Step 3: Cross multiply
   2,607.93x = 3,910.82 × 1,786.46
4. Step 4: Simplify right side
   2,607.93x = 6,986,495.01
5. Step 5: Solve for x
   x = 6,986,495.01/2,607.93
6. Step 6: Final answer
   x = 2,678.94