Finding the Fourth Proportional to 2,769.69, 3,823.71 and 1,886.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.69 : 3,823.71 = 1,886.79 : x
2. Step 2: Convert to fraction form
   2,769.69/3,823.71 = 1,886.79/x
3. Step 3: Cross multiply
   2,769.69x = 3,823.71 × 1,886.79
4. Step 4: Simplify right side
   2,769.69x = 7,214,537.79
5. Step 5: Solve for x
   x = 7,214,537.79/2,769.69
6. Step 6: Final answer
   x = 2,604.82