Finding the Fourth Proportional to 2,678.83, 3,699.80 and 2,262.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.83 : 3,699.80 = 2,262.69 : x
2. Step 2: Convert to fraction form
   2,678.83/3,699.80 = 2,262.69/x
3. Step 3: Cross multiply
   2,678.83x = 3,699.80 × 2,262.69
4. Step 4: Simplify right side
   2,678.83x = 8,371,500.46
5. Step 5: Solve for x
   x = 8,371,500.46/2,678.83
6. Step 6: Final answer
   x = 3,125.06