Finding the Fourth Proportional to 2,739.50, 4,108.61 and 1,095.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.50 : 4,108.61 = 1,095.61 : x
2. Step 2: Convert to fraction form
   2,739.50/4,108.61 = 1,095.61/x
3. Step 3: Cross multiply
   2,739.50x = 4,108.61 × 1,095.61
4. Step 4: Simplify right side
   2,739.50x = 4,501,426.67
5. Step 5: Solve for x
   x = 4,501,426.67/2,739.50
6. Step 6: Final answer
   x = 1,643.15