Finding the Fourth Proportional to 2,677.83, 4,016.33 and 1,290.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.83 : 4,016.33 = 1,290.80 : x
2. Step 2: Convert to fraction form
   2,677.83/4,016.33 = 1,290.80/x
3. Step 3: Cross multiply
   2,677.83x = 4,016.33 × 1,290.80
4. Step 4: Simplify right side
   2,677.83x = 5,184,252.23
5. Step 5: Solve for x
   x = 5,184,252.23/2,677.83
6. Step 6: Final answer
   x = 1,935.99