Finding the Fourth Proportional to 3,769.03, 5,654.91 and 1,918.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,769.03 : 5,654.91 = 1,918.79 : x
2. Step 2: Convert to fraction form
   3,769.03/5,654.91 = 1,918.79/x
3. Step 3: Cross multiply
   3,769.03x = 5,654.91 × 1,918.79
4. Step 4: Simplify right side
   3,769.03x = 10,850,584.89
5. Step 5: Solve for x
   x = 10,850,584.89/3,769.03
6. Step 6: Final answer
   x = 2,878.88