Finding the Fourth Proportional to 2,839.83, 4,259.73 and 1,108.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839.83 : 4,259.73 = 1,108.45 : x
2. Step 2: Convert to fraction form
   2,839.83/4,259.73 = 1,108.45/x
3. Step 3: Cross multiply
   2,839.83x = 4,259.73 × 1,108.45
4. Step 4: Simplify right side
   2,839.83x = 4,721,697.72
5. Step 5: Solve for x
   x = 4,721,697.72/2,839.83
6. Step 6: Final answer
   x = 1,662.67