Finding the Fourth Proportional to 2,833.40, 4,249.00 and 1,077.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,833.40 : 4,249.00 = 1,077.48 : x
2. Step 2: Convert to fraction form
   2,833.40/4,249.00 = 1,077.48/x
3. Step 3: Cross multiply
   2,833.40x = 4,249.00 × 1,077.48
4. Step 4: Simplify right side
   2,833.40x = 4,578,185.89
5. Step 5: Solve for x
   x = 4,578,185.89/2,833.40
6. Step 6: Final answer
   x = 1,615.80